Finding the Fourth Proportional to 22,903.40, 31,621.92 and 17,588.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,903.40 : 31,621.92 = 17,588.72 : x
2. Step 2: Convert to fraction form
   22,903.40/31,621.92 = 17,588.72/x
3. Step 3: Cross multiply
   22,903.40x = 31,621.92 × 17,588.72
4. Step 4: Simplify right side
   22,903.40x = 556,189,096.74
5. Step 5: Solve for x
   x = 556,189,096.74/22,903.40
6. Step 6: Final answer
   x = 24,284.13