Finding the Fourth Proportional to 31,298.01, 43,190.33 and 17,868.89

Step by Step Solution

1. Step 1: Write the proportion equation
   31,298.01 : 43,190.33 = 17,868.89 : x
2. Step 2: Convert to fraction form
   31,298.01/43,190.33 = 17,868.89/x
3. Step 3: Cross multiply
   31,298.01x = 43,190.33 × 17,868.89
4. Step 4: Simplify right side
   31,298.01x = 771,762,950.54
5. Step 5: Solve for x
   x = 771,762,950.54/31,298.01
6. Step 6: Final answer
   x = 24,658.53