Finding the Fourth Proportional to 31,259.01, 43,137.42 and 17,111.85

Step by Step Solution

1. Step 1: Write the proportion equation
   31,259.01 : 43,137.42 = 17,111.85 : x
2. Step 2: Convert to fraction form
   31,259.01/43,137.42 = 17,111.85/x
3. Step 3: Cross multiply
   31,259.01x = 43,137.42 × 17,111.85
4. Step 4: Simplify right side
   31,259.01x = 738,161,100.20
5. Step 5: Solve for x
   x = 738,161,100.20/31,259.01
6. Step 6: Final answer
   x = 23,614.35