Finding the Fourth Proportional to 31,630.17, 47,468.61 and 14,990.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,630.17 : 47,468.61 = 14,990.16 : x
2. Step 2: Convert to fraction form
   31,630.17/47,468.61 = 14,990.16/x
3. Step 3: Cross multiply
   31,630.17x = 47,468.61 × 14,990.16
4. Step 4: Simplify right side
   31,630.17x = 711,562,058.88
5. Step 5: Solve for x
   x = 711,562,058.88/31,630.17
6. Step 6: Final answer
   x = 22,496.31