Finding the Fourth Proportional to 31,515.30, 43,490.04 and 17,368.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,515.30 : 43,490.04 = 17,368.14 : x
2. Step 2: Convert to fraction form
   31,515.30/43,490.04 = 17,368.14/x
3. Step 3: Cross multiply
   31,515.30x = 43,490.04 × 17,368.14
4. Step 4: Simplify right side
   31,515.30x = 755,341,103.33
5. Step 5: Solve for x
   x = 755,341,103.33/31,515.30
6. Step 6: Final answer
   x = 23,967.44