Finding the Fourth Proportional to 31,885.47, 47,830.16 and 9,700.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,885.47 : 47,830.16 = 9,700.49 : x
2. Step 2: Convert to fraction form
   31,885.47/47,830.16 = 9,700.49/x
3. Step 3: Cross multiply
   31,885.47x = 47,830.16 × 9,700.49
4. Step 4: Simplify right side
   31,885.47x = 463,976,132.61
5. Step 5: Solve for x
   x = 463,976,132.61/31,885.47
6. Step 6: Final answer
   x = 14,551.33