Finding the Fourth Proportional to 1,807,271.48, 2,707,216.61 and 1,008,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,271.48 : 2,707,216.61 = 1,008,978.18 : x
2. Step 2: Convert to fraction form
   1,807,271.48/2,707,216.61 = 1,008,978.18/x
3. Step 3: Cross multiply
   1,807,271.48x = 2,707,216.61 × 1,008,978.18
4. Step 4: Simplify right side
   1,807,271.48x = 2,731,522,482,978.68
5. Step 5: Solve for x
   x = 2,731,522,482,978.68/1,807,271.48
6. Step 6: Final answer
   x = 1,511,406.85