Finding the Fourth Proportional to 31,664.57, 47,499.33 and 10,604.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,664.57 : 47,499.33 = 10,604.69 : x
2. Step 2: Convert to fraction form
   31,664.57/47,499.33 = 10,604.69/x
3. Step 3: Cross multiply
   31,664.57x = 47,499.33 × 10,604.69
4. Step 4: Simplify right side
   31,664.57x = 503,715,669.86
5. Step 5: Solve for x
   x = 503,715,669.86/31,664.57
6. Step 6: Final answer
   x = 15,907.86