Finding the Fourth Proportional to 71,180.81, 98,226.78 and 42,505.29

Step by Step Solution

1. Step 1: Write the proportion equation
   71,180.81 : 98,226.78 = 42,505.29 : x
2. Step 2: Convert to fraction form
   71,180.81/98,226.78 = 42,505.29/x
3. Step 3: Cross multiply
   71,180.81x = 98,226.78 × 42,505.29
4. Step 4: Simplify right side
   71,180.81x = 4,175,157,610.27
5. Step 5: Solve for x
   x = 4,175,157,610.27/71,180.81
6. Step 6: Final answer
   x = 58,655.66