Finding the Fourth Proportional to 31,654.87, 47,464.77 and 12,948.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,654.87 : 47,464.77 = 12,948.04 : x
2. Step 2: Convert to fraction form
   31,654.87/47,464.77 = 12,948.04/x
3. Step 3: Cross multiply
   31,654.87x = 47,464.77 × 12,948.04
4. Step 4: Simplify right side
   31,654.87x = 614,575,621.89
5. Step 5: Solve for x
   x = 614,575,621.89/31,654.87
6. Step 6: Final answer
   x = 19,414.89