Finding the Fourth Proportional to 123,517.62, 185,302.50 and 47,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,517.62 : 185,302.50 = 47,618.10 : x
2. Step 2: Convert to fraction form
   123,517.62/185,302.50 = 47,618.10/x
3. Step 3: Cross multiply
   123,517.62x = 185,302.50 × 47,618.10
4. Step 4: Simplify right side
   123,517.62x = 8,823,752,975.25
5. Step 5: Solve for x
   x = 8,823,752,975.25/123,517.62
6. Step 6: Final answer
   x = 71,437.20