Finding the Fourth Proportional to 6,695.04, 9,978.72 and 6,539.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,695.04 : 9,978.72 = 6,539.52 : x
2. Step 2: Convert to fraction form
   6,695.04/9,978.72 = 6,539.52/x
3. Step 3: Cross multiply
   6,695.04x = 9,978.72 × 6,539.52
4. Step 4: Simplify right side
   6,695.04x = 65,256,039.01
5. Step 5: Solve for x
   x = 65,256,039.01/6,695.04
6. Step 6: Final answer
   x = 9,746.92