Finding the Fourth Proportional to 2,880,080.10, 4,320,120.15 and 986,192.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880,080.10 : 4,320,120.15 = 986,192.10 : x
2. Step 2: Convert to fraction form
   2,880,080.10/4,320,120.15 = 986,192.10/x
3. Step 3: Cross multiply
   2,880,080.10x = 4,320,120.15 × 986,192.10
4. Step 4: Simplify right side
   2,880,080.10x = 4,260,468,362,980.82
5. Step 5: Solve for x
   x = 4,260,468,362,980.82/2,880,080.10
6. Step 6: Final answer
   x = 1,479,288.15