Finding the Fourth Proportional to 22,895.31, 31,599.33 and 15,719.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,895.31 : 31,599.33 = 15,719.35 : x
2. Step 2: Convert to fraction form
   22,895.31/31,599.33 = 15,719.35/x
3. Step 3: Cross multiply
   22,895.31x = 31,599.33 × 15,719.35
4. Step 4: Simplify right side
   22,895.31x = 496,720,928.04
5. Step 5: Solve for x
   x = 496,720,928.04/22,895.31
6. Step 6: Final answer
   x = 21,695.31