Finding the Fourth Proportional to 31,150.63, 42,988.49 and 17,003.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,150.63 : 42,988.49 = 17,003.98 : x
2. Step 2: Convert to fraction form
   31,150.63/42,988.49 = 17,003.98/x
3. Step 3: Cross multiply
   31,150.63x = 42,988.49 × 17,003.98
4. Step 4: Simplify right side
   31,150.63x = 730,975,424.19
5. Step 5: Solve for x
   x = 730,975,424.19/31,150.63
6. Step 6: Final answer
   x = 23,465.83