Finding the Fourth Proportional to 71,253.32, 98,336.33 and 42,573.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,253.32 : 98,336.33 = 42,573.09 : x
2. Step 2: Convert to fraction form
   71,253.32/98,336.33 = 42,573.09/x
3. Step 3: Cross multiply
   71,253.32x = 98,336.33 × 42,573.09
4. Step 4: Simplify right side
   71,253.32x = 4,186,481,742.90
5. Step 5: Solve for x
   x = 4,186,481,742.90/71,253.32
6. Step 6: Final answer
   x = 58,754.90