Finding the Fourth Proportional to 116,688.69, 175,042.23 and 57,492.09

Step by Step Solution

1. Step 1: Write the proportion equation
   116,688.69 : 175,042.23 = 57,492.09 : x
2. Step 2: Convert to fraction form
   116,688.69/175,042.23 = 57,492.09/x
3. Step 3: Cross multiply
   116,688.69x = 175,042.23 × 57,492.09
4. Step 4: Simplify right side
   116,688.69x = 10,063,543,640.96
5. Step 5: Solve for x
   x = 10,063,543,640.96/116,688.69
6. Step 6: Final answer
   x = 86,242.67