Finding the Fourth Proportional to 31,256.45, 43,123.22 and 17,818.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,256.45 : 43,123.22 = 17,818.01 : x
2. Step 2: Convert to fraction form
   31,256.45/43,123.22 = 17,818.01/x
3. Step 3: Cross multiply
   31,256.45x = 43,123.22 × 17,818.01
4. Step 4: Simplify right side
   31,256.45x = 768,369,876.10
5. Step 5: Solve for x
   x = 768,369,876.10/31,256.45
6. Step 6: Final answer
   x = 24,582.77