Finding the Fourth Proportional to 22,624.52, 31,224.89 and 15,560.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,624.52 : 31,224.89 = 15,560.51 : x
2. Step 2: Convert to fraction form
   22,624.52/31,224.89 = 15,560.51/x
3. Step 3: Cross multiply
   22,624.52x = 31,224.89 × 15,560.51
4. Step 4: Simplify right side
   22,624.52x = 485,875,095.87
5. Step 5: Solve for x
   x = 485,875,095.87/22,624.52
6. Step 6: Final answer
   x = 21,475.60