Finding the Fourth Proportional to 12,722,919.18, 17,563,726.71 and 7,832,333.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,722,919.18 : 17,563,726.71 = 7,832,333.38 : x
2. Step 2: Convert to fraction form
   12,722,919.18/17,563,726.71 = 7,832,333.38/x
3. Step 3: Cross multiply
   12,722,919.18x = 17,563,726.71 × 7,832,333.38
4. Step 4: Simplify right side
   12,722,919.18x = 137,564,962,944,021.28
5. Step 5: Solve for x
   x = 137,564,962,944,021.28/12,722,919.18
6. Step 6: Final answer
   x = 10,812,374.19