Finding the Fourth Proportional to 2,015,039.88, 2,779,856.31 and 1,361,455.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,039.88 : 2,779,856.31 = 1,361,455.53 : x
2. Step 2: Convert to fraction form
   2,015,039.88/2,779,856.31 = 1,361,455.53/x
3. Step 3: Cross multiply
   2,015,039.88x = 2,779,856.31 × 1,361,455.53
4. Step 4: Simplify right side
   2,015,039.88x = 3,784,650,745,854.89
5. Step 5: Solve for x
   x = 3,784,650,745,854.89/2,015,039.88
6. Step 6: Final answer
   x = 1,878,201.41