Finding the Fourth Proportional to 12,384,041.30, 18,560,315.55 and 5,980,505.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384,041.30 : 18,560,315.55 = 5,980,505.30 : x
2. Step 2: Convert to fraction form
   12,384,041.30/18,560,315.55 = 5,980,505.30/x
3. Step 3: Cross multiply
   12,384,041.30x = 18,560,315.55 × 5,980,505.30
4. Step 4: Simplify right side
   12,384,041.30x = 111,000,065,516,447.42
5. Step 5: Solve for x
   x = 111,000,065,516,447.42/12,384,041.30
6. Step 6: Final answer
   x = 8,963,153.69