Finding the Fourth Proportional to 22,785.12, 31,457.71 and 17,469.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,785.12 : 31,457.71 = 17,469.72 : x
2. Step 2: Convert to fraction form
   22,785.12/31,457.71 = 17,469.72/x
3. Step 3: Cross multiply
   22,785.12x = 31,457.71 × 17,469.72
4. Step 4: Simplify right side
   22,785.12x = 549,557,385.54
5. Step 5: Solve for x
   x = 549,557,385.54/22,785.12
6. Step 6: Final answer
   x = 24,119.14