Finding the Fourth Proportional to 10,980,055.84, 16,371,919.20 and 10,678,388.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980,055.84 : 16,371,919.20 = 10,678,388.62 : x
2. Step 2: Convert to fraction form
   10,980,055.84/16,371,919.20 = 10,678,388.62/x
3. Step 3: Cross multiply
   10,980,055.84x = 16,371,919.20 × 10,678,388.62
4. Step 4: Simplify right side
   10,980,055.84x = 174,825,715,672,839.47
5. Step 5: Solve for x
   x = 174,825,715,672,839.47/10,980,055.84
6. Step 6: Final answer
   x = 15,922,115.35