Finding the Fourth Proportional to 7,292.52, 10,065.60 and 6,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,292.52 : 10,065.60 = 6,111.72 : x
2. Step 2: Convert to fraction form
   7,292.52/10,065.60 = 6,111.72/x
3. Step 3: Cross multiply
   7,292.52x = 10,065.60 × 6,111.72
4. Step 4: Simplify right side
   7,292.52x = 61,518,128.83
5. Step 5: Solve for x
   x = 61,518,128.83/7,292.52
6. Step 6: Final answer
   x = 8,435.78