Finding the Fourth Proportional to 11,056.91, 15,253.60 and 7,470.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,056.91 : 15,253.60 = 7,470.71 : x
2. Step 2: Convert to fraction form
   11,056.91/15,253.60 = 7,470.71/x
3. Step 3: Cross multiply
   11,056.91x = 15,253.60 × 7,470.71
4. Step 4: Simplify right side
   11,056.91x = 113,955,222.06
5. Step 5: Solve for x
   x = 113,955,222.06/11,056.91
6. Step 6: Final answer
   x = 10,306.25