Finding the Fourth Proportional to 10,131,674.37, 13,981,439.88 and 5,780,681.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131,674.37 : 13,981,439.88 = 5,780,681.61 : x
2. Step 2: Convert to fraction form
   10,131,674.37/13,981,439.88 = 5,780,681.61/x
3. Step 3: Cross multiply
   10,131,674.37x = 13,981,439.88 × 5,780,681.61
4. Step 4: Simplify right side
   10,131,674.37x = 80,822,252,395,636.61
5. Step 5: Solve for x
   x = 80,822,252,395,636.61/10,131,674.37
6. Step 6: Final answer
   x = 7,977,186.14