Finding the Fourth Proportional to 7,440.95, 10,261.83 and 5,557.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,440.95 : 10,261.83 = 5,557.10 : x
2. Step 2: Convert to fraction form
   7,440.95/10,261.83 = 5,557.10/x
3. Step 3: Cross multiply
   7,440.95x = 10,261.83 × 5,557.10
4. Step 4: Simplify right side
   7,440.95x = 57,025,964.18
5. Step 5: Solve for x
   x = 57,025,964.18/7,440.95
6. Step 6: Final answer
   x = 7,663.81