Finding the Fourth Proportional to 10,448,404.38, 15,677,097.21 and 5,403,257.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448,404.38 : 15,677,097.21 = 5,403,257.82 : x
2. Step 2: Convert to fraction form
   10,448,404.38/15,677,097.21 = 5,403,257.82/x
3. Step 3: Cross multiply
   10,448,404.38x = 15,677,097.21 × 5,403,257.82
4. Step 4: Simplify right side
   10,448,404.38x = 84,707,398,094,832.69
5. Step 5: Solve for x
   x = 84,707,398,094,832.69/10,448,404.38
6. Step 6: Final answer
   x = 8,107,209.01