Finding the Fourth Proportional to 31,301.55, 43,195.86 and 17,154.45

Step by Step Solution

1. Step 1: Write the proportion equation
   31,301.55 : 43,195.86 = 17,154.45 : x
2. Step 2: Convert to fraction form
   31,301.55/43,195.86 = 17,154.45/x
3. Step 3: Cross multiply
   31,301.55x = 43,195.86 × 17,154.45
4. Step 4: Simplify right side
   31,301.55x = 741,001,220.58
5. Step 5: Solve for x
   x = 741,001,220.58/31,301.55
6. Step 6: Final answer
   x = 23,672.99