Finding the Fourth Proportional to 71,036.35, 98,042.87 and 42,357.86

Step by Step Solution

1. Step 1: Write the proportion equation
   71,036.35 : 98,042.87 = 42,357.86 : x
2. Step 2: Convert to fraction form
   71,036.35/98,042.87 = 42,357.86/x
3. Step 3: Cross multiply
   71,036.35x = 98,042.87 × 42,357.86
4. Step 4: Simplify right side
   71,036.35x = 4,152,886,161.46
5. Step 5: Solve for x
   x = 4,152,886,161.46/71,036.35
6. Step 6: Final answer
   x = 58,461.42