Finding the Fourth Proportional to 9,362.55, 12,920.20 and 5,114.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.55 : 12,920.20 = 5,114.00 : x
2. Step 2: Convert to fraction form
   9,362.55/12,920.20 = 5,114.00/x
3. Step 3: Cross multiply
   9,362.55x = 12,920.20 × 5,114.00
4. Step 4: Simplify right side
   9,362.55x = 66,073,922.32
5. Step 5: Solve for x
   x = 66,073,922.32/9,362.55
6. Step 6: Final answer
   x = 7,057.26