Finding the Fourth Proportional to 6,499.78, 9,695.06 and 5,901.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.78 : 9,695.06 = 5,901.15 : x
2. Step 2: Convert to fraction form
   6,499.78/9,695.06 = 5,901.15/x
3. Step 3: Cross multiply
   6,499.78x = 9,695.06 × 5,901.15
4. Step 4: Simplify right side
   6,499.78x = 57,211,993.83
5. Step 5: Solve for x
   x = 57,211,993.83/6,499.78
6. Step 6: Final answer
   x = 8,802.14