Finding the Fourth Proportional to 23,106.12, 31,900.68 and 17,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.12 : 31,900.68 = 17,790.72 : x
2. Step 2: Convert to fraction form
   23,106.12/31,900.68 = 17,790.72/x
3. Step 3: Cross multiply
   23,106.12x = 31,900.68 × 17,790.72
4. Step 4: Simplify right side
   23,106.12x = 567,536,065.69
5. Step 5: Solve for x
   x = 567,536,065.69/23,106.12
6. Step 6: Final answer
   x = 24,562.15