Finding the Fourth Proportional to 22,470.16, 31,003.29 and 13,736.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,470.16 : 31,003.29 = 13,736.62 : x
2. Step 2: Convert to fraction form
   22,470.16/31,003.29 = 13,736.62/x
3. Step 3: Cross multiply
   22,470.16x = 31,003.29 × 13,736.62
4. Step 4: Simplify right side
   22,470.16x = 425,880,258.46
5. Step 5: Solve for x
   x = 425,880,258.46/22,470.16
6. Step 6: Final answer
   x = 18,953.15