Finding the Fourth Proportional to 9,229,224.12, 12,736,591.76 and 5,155,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,229,224.12 : 12,736,591.76 = 5,155,105.56 : x
2. Step 2: Convert to fraction form
   9,229,224.12/12,736,591.76 = 5,155,105.56/x
3. Step 3: Cross multiply
   9,229,224.12x = 12,736,591.76 × 5,155,105.56
4. Step 4: Simplify right side
   9,229,224.12x = 65,658,474,997,426.18
5. Step 5: Solve for x
   x = 65,658,474,997,426.18/9,229,224.12
6. Step 6: Final answer
   x = 7,114,192.28