Finding the Fourth Proportional to 9,320,149.42, 12,864,071.25 and 5,399,271.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320,149.42 : 12,864,071.25 = 5,399,271.94 : x
2. Step 2: Convert to fraction form
   9,320,149.42/12,864,071.25 = 5,399,271.94/x
3. Step 3: Cross multiply
   9,320,149.42x = 12,864,071.25 × 5,399,271.94
4. Step 4: Simplify right side
   9,320,149.42x = 69,456,618,934,285.73
5. Step 5: Solve for x
   x = 69,456,618,934,285.73/9,320,149.42
6. Step 6: Final answer
   x = 7,452,307.45