Finding the Fourth Proportional to 23,123.16, 31,909.95 and 13,053.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.16 : 31,909.95 = 13,053.69 : x
2. Step 2: Convert to fraction form
   23,123.16/31,909.95 = 13,053.69/x
3. Step 3: Cross multiply
   23,123.16x = 31,909.95 × 13,053.69
4. Step 4: Simplify right side
   23,123.16x = 416,542,595.22
5. Step 5: Solve for x
   x = 416,542,595.22/23,123.16
6. Step 6: Final answer
   x = 18,014.09