Finding the Fourth Proportional to 12,642,874.43, 17,445,289.83 and 7,678,732.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,642,874.43 : 17,445,289.83 = 7,678,732.52 : x
2. Step 2: Convert to fraction form
   12,642,874.43/17,445,289.83 = 7,678,732.52/x
3. Step 3: Cross multiply
   12,642,874.43x = 17,445,289.83 × 7,678,732.52
4. Step 4: Simplify right side
   12,642,874.43x = 133,957,714,338,446.25
5. Step 5: Solve for x
   x = 133,957,714,338,446.25/12,642,874.43
6. Step 6: Final answer
   x = 10,595,510.94