Finding the Fourth Proportional to 31,810.24, 47,704.15 and 9,314.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,810.24 : 47,704.15 = 9,314.72 : x
2. Step 2: Convert to fraction form
   31,810.24/47,704.15 = 9,314.72/x
3. Step 3: Cross multiply
   31,810.24x = 47,704.15 × 9,314.72
4. Step 4: Simplify right side
   31,810.24x = 444,350,800.09
5. Step 5: Solve for x
   x = 444,350,800.09/31,810.24
6. Step 6: Final answer
   x = 13,968.80