Finding the Fourth Proportional to 9,007,853.91, 12,431,727.56 and 5,140,953.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007,853.91 : 12,431,727.56 = 5,140,953.60 : x
2. Step 2: Convert to fraction form
   9,007,853.91/12,431,727.56 = 5,140,953.60/x
3. Step 3: Cross multiply
   9,007,853.91x = 12,431,727.56 × 5,140,953.60
4. Step 4: Simplify right side
   9,007,853.91x = 63,910,934,575,506.73
5. Step 5: Solve for x
   x = 63,910,934,575,506.73/9,007,853.91
6. Step 6: Final answer
   x = 7,095,023.43