Finding the Fourth Proportional to 22,570.17, 31,124.01 and 15,006.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,570.17 : 31,124.01 = 15,006.79 : x
2. Step 2: Convert to fraction form
   22,570.17/31,124.01 = 15,006.79/x
3. Step 3: Cross multiply
   22,570.17x = 31,124.01 × 15,006.79
4. Step 4: Simplify right side
   22,570.17x = 467,071,482.03
5. Step 5: Solve for x
   x = 467,071,482.03/22,570.17
6. Step 6: Final answer
   x = 20,694.19