Finding the Fourth Proportional to 31,301.17, 43,196.61 and 17,154.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,301.17 : 43,196.61 = 17,154.88 : x
2. Step 2: Convert to fraction form
   31,301.17/43,196.61 = 17,154.88/x
3. Step 3: Cross multiply
   31,301.17x = 43,196.61 × 17,154.88
4. Step 4: Simplify right side
   31,301.17x = 741,032,660.96
5. Step 5: Solve for x
   x = 741,032,660.96/31,301.17
6. Step 6: Final answer
   x = 23,674.28