Finding the Fourth Proportional to 11,498.56, 15,864.05 and 7,470.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,498.56 : 15,864.05 = 7,470.43 : x
2. Step 2: Convert to fraction form
   11,498.56/15,864.05 = 7,470.43/x
3. Step 3: Cross multiply
   11,498.56x = 15,864.05 × 7,470.43
4. Step 4: Simplify right side
   11,498.56x = 118,511,254.06
5. Step 5: Solve for x
   x = 118,511,254.06/11,498.56
6. Step 6: Final answer
   x = 10,306.62