Finding the Fourth Proportional to 117,799.59, 176,570.87 and 57,869.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,799.59 : 176,570.87 = 57,869.31 : x
2. Step 2: Convert to fraction form
   117,799.59/176,570.87 = 57,869.31/x
3. Step 3: Cross multiply
   117,799.59x = 176,570.87 × 57,869.31
4. Step 4: Simplify right side
   117,799.59x = 10,218,034,123.65
5. Step 5: Solve for x
   x = 10,218,034,123.65/117,799.59
6. Step 6: Final answer
   x = 86,740.83