Finding the Fourth Proportional to 23,111.00, 31,890.43 and 13,038.85

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.00 : 31,890.43 = 13,038.85 : x
2. Step 2: Convert to fraction form
   23,111.00/31,890.43 = 13,038.85/x
3. Step 3: Cross multiply
   23,111.00x = 31,890.43 × 13,038.85
4. Step 4: Simplify right side
   23,111.00x = 415,814,437.18
5. Step 5: Solve for x
   x = 415,814,437.18/23,111.00
6. Step 6: Final answer
   x = 17,992.06