Finding the Fourth Proportional to 86,902.50, 119,925.45 and 47,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,902.50 : 119,925.45 = 47,158.50 : x
2. Step 2: Convert to fraction form
   86,902.50/119,925.45 = 47,158.50/x
3. Step 3: Cross multiply
   86,902.50x = 119,925.45 × 47,158.50
4. Step 4: Simplify right side
   86,902.50x = 5,655,504,333.83
5. Step 5: Solve for x
   x = 5,655,504,333.83/86,902.50
6. Step 6: Final answer
   x = 65,078.73