Finding the Fourth Proportional to 12,300,061.20, 18,455,340.60 and 5,907,022.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,061.20 : 18,455,340.60 = 5,907,022.80 : x
2. Step 2: Convert to fraction form
   12,300,061.20/18,455,340.60 = 5,907,022.80/x
3. Step 3: Cross multiply
   12,300,061.20x = 18,455,340.60 × 5,907,022.80
4. Step 4: Simplify right side
   12,300,061.20x = 109,016,117,705,965.69
5. Step 5: Solve for x
   x = 109,016,117,705,965.69/12,300,061.20
6. Step 6: Final answer
   x = 8,863,054.90