Finding the Fourth Proportional to 23,107.30, 31,892.00 and 13,038.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,107.30 : 31,892.00 = 13,038.59 : x
2. Step 2: Convert to fraction form
   23,107.30/31,892.00 = 13,038.59/x
3. Step 3: Cross multiply
   23,107.30x = 31,892.00 × 13,038.59
4. Step 4: Simplify right side
   23,107.30x = 415,826,726.82
5. Step 5: Solve for x
   x = 415,826,726.82/23,107.30
6. Step 6: Final answer
   x = 17,995.47