Finding the Fourth Proportional to 120,758.52, 181,173.83 and 57,658.71

Step by Step Solution

1. Step 1: Write the proportion equation
   120,758.52 : 181,173.83 = 57,658.71 : x
2. Step 2: Convert to fraction form
   120,758.52/181,173.83 = 57,658.71/x
3. Step 3: Cross multiply
   120,758.52x = 181,173.83 × 57,658.71
4. Step 4: Simplify right side
   120,758.52x = 10,446,249,035.27
5. Step 5: Solve for x
   x = 10,446,249,035.27/120,758.52
6. Step 6: Final answer
   x = 86,505.28