Finding the Fourth Proportional to 2,403,557.20, 3,606,578.52 and 1,056,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403,557.20 : 3,606,578.52 = 1,056,664.72 : x
2. Step 2: Convert to fraction form
   2,403,557.20/3,606,578.52 = 1,056,664.72/x
3. Step 3: Cross multiply
   2,403,557.20x = 3,606,578.52 × 1,056,664.72
4. Step 4: Simplify right side
   2,403,557.20x = 3,810,944,281,993.81
5. Step 5: Solve for x
   x = 3,810,944,281,993.81/2,403,557.20
6. Step 6: Final answer
   x = 1,585,543.41