Finding the Fourth Proportional to 12,882,820.96, 17,778,411.99 and 7,002,469

Step by Step Solution

1. Step 1: Write the proportion equation
   12,882,820.96 : 17,778,411.99 = 7,002,469 : x
2. Step 2: Convert to fraction form
   12,882,820.96/17,778,411.99 = 7,002,469/x
3. Step 3: Cross multiply
   12,882,820.96x = 17,778,411.99 × 7,002,469
4. Step 4: Simplify right side
   12,882,820.96x = 124,492,778,829,203.30
5. Step 5: Solve for x
   x = 124,492,778,829,203.30/12,882,820.96
6. Step 6: Final answer
   x = 9,663,471.94