Finding the Fourth Proportional to 71,063.68, 98,080.51 and 42,385.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,063.68 : 98,080.51 = 42,385.09 : x
2. Step 2: Convert to fraction form
   71,063.68/98,080.51 = 42,385.09/x
3. Step 3: Cross multiply
   71,063.68x = 98,080.51 × 42,385.09
4. Step 4: Simplify right side
   71,063.68x = 4,157,151,243.60
5. Step 5: Solve for x
   x = 4,157,151,243.60/71,063.68
6. Step 6: Final answer
   x = 58,498.96