Finding the Fourth Proportional to 31,154.00, 42,986.76 and 17,724.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,154.00 : 42,986.76 = 17,724.47 : x
2. Step 2: Convert to fraction form
   31,154.00/42,986.76 = 17,724.47/x
3. Step 3: Cross multiply
   31,154.00x = 42,986.76 × 17,724.47
4. Step 4: Simplify right side
   31,154.00x = 761,917,323.08
5. Step 5: Solve for x
   x = 761,917,323.08/31,154.00
6. Step 6: Final answer
   x = 24,456.49