Finding the Fourth Proportional to 12,300,980.10, 18,451,470.15 and 5,477,540.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,980.10 : 18,451,470.15 = 5,477,540.10 : x
2. Step 2: Convert to fraction form
   12,300,980.10/18,451,470.15 = 5,477,540.10/x
3. Step 3: Cross multiply
   12,300,980.10x = 18,451,470.15 × 5,477,540.10
4. Step 4: Simplify right side
   12,300,980.10x = 101,068,667,650,578
5. Step 5: Solve for x
   x = 101,068,667,650,578/12,300,980.10
6. Step 6: Final answer
   x = 8,216,310.15