Finding the Fourth Proportional to 116,387.59, 160,610.36 and 71,141.33

Step by Step Solution

1. Step 1: Write the proportion equation
   116,387.59 : 160,610.36 = 71,141.33 : x
2. Step 2: Convert to fraction form
   116,387.59/160,610.36 = 71,141.33/x
3. Step 3: Cross multiply
   116,387.59x = 160,610.36 × 71,141.33
4. Step 4: Simplify right side
   116,387.59x = 11,426,034,266.47
5. Step 5: Solve for x
   x = 11,426,034,266.47/116,387.59
6. Step 6: Final answer
   x = 98,172.27