Finding the Fourth Proportional to 2,680,621.30, 4,020,471.15 and 996,858.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,621.30 : 4,020,471.15 = 996,858.10 : x
2. Step 2: Convert to fraction form
   2,680,621.30/4,020,471.15 = 996,858.10/x
3. Step 3: Cross multiply
   2,680,621.30x = 4,020,471.15 × 996,858.10
4. Step 4: Simplify right side
   2,680,621.30x = 4,007,839,231,693.82
5. Step 5: Solve for x
   x = 4,007,839,231,693.82/2,680,621.30
6. Step 6: Final answer
   x = 1,495,115.79