Finding the Fourth Proportional to 31,149.63, 42,987.11 and 17,002.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,149.63 : 42,987.11 = 17,002.98 : x
2. Step 2: Convert to fraction form
   31,149.63/42,987.11 = 17,002.98/x
3. Step 3: Cross multiply
   31,149.63x = 42,987.11 × 17,002.98
4. Step 4: Simplify right side
   31,149.63x = 730,908,886.57
5. Step 5: Solve for x
   x = 730,908,886.57/31,149.63
6. Step 6: Final answer
   x = 23,464.45