Finding the Fourth Proportional to 71,272,616,085.45, 98,364,642,163.57 and 42,336,920,315.59

Step by Step Solution

1. Step 1: Write the proportion equation
   71,272,616,085.45 : 98,364,642,163.57 = 42,336,920,315.59 : x
2. Step 2: Convert to fraction form
   71,272,616,085.45/98,364,642,163.57 = 42,336,920,315.59/x
3. Step 3: Cross multiply
   71,272,616,085.45x = 98,364,642,163.57 × 42,336,920,315.59
4. Step 4: Simplify right side
   71,272,616,085.45x = 4,164,456,017,150,587,437,056
5. Step 5: Solve for x
   x = 4,164,456,017,150,587,437,056/71,272,616,085.45
6. Step 6: Final answer
   x = 58,429,958,739.80