Finding the Fourth Proportional to 31,302.18, 43,196.76 and 17,154.99

Step by Step Solution

1. Step 1: Write the proportion equation
   31,302.18 : 43,196.76 = 17,154.99 : x
2. Step 2: Convert to fraction form
   31,302.18/43,196.76 = 17,154.99/x
3. Step 3: Cross multiply
   31,302.18x = 43,196.76 × 17,154.99
4. Step 4: Simplify right side
   31,302.18x = 741,039,985.83
5. Step 5: Solve for x
   x = 741,039,985.83/31,302.18
6. Step 6: Final answer
   x = 23,673.75