Finding the Fourth Proportional to 124,179.34, 186,139.34 and 57,564.54

Step by Step Solution

1. Step 1: Write the proportion equation
   124,179.34 : 186,139.34 = 57,564.54 : x
2. Step 2: Convert to fraction form
   124,179.34/186,139.34 = 57,564.54/x
3. Step 3: Cross multiply
   124,179.34x = 186,139.34 × 57,564.54
4. Step 4: Simplify right side
   124,179.34x = 10,715,025,483.00
5. Step 5: Solve for x
   x = 10,715,025,483.00/124,179.34
6. Step 6: Final answer
   x = 86,286.70