Finding the Fourth Proportional to 10,111.52, 15,156.84 and 4,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.52 : 15,156.84 = 4,568.72 : x
2. Step 2: Convert to fraction form
   10,111.52/15,156.84 = 4,568.72/x
3. Step 3: Cross multiply
   10,111.52x = 15,156.84 × 4,568.72
4. Step 4: Simplify right side
   10,111.52x = 69,247,358.04
5. Step 5: Solve for x
   x = 69,247,358.04/10,111.52
6. Step 6: Final answer
   x = 6,848.36