Finding the Fourth Proportional to 31,119.12, 42,932.16 and 17,503.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,119.12 : 42,932.16 = 17,503.98 : x
2. Step 2: Convert to fraction form
   31,119.12/42,932.16 = 17,503.98/x
3. Step 3: Cross multiply
   31,119.12x = 42,932.16 × 17,503.98
4. Step 4: Simplify right side
   31,119.12x = 751,483,670.00
5. Step 5: Solve for x
   x = 751,483,670.00/31,119.12
6. Step 6: Final answer
   x = 24,148.62