Finding the Fourth Proportional to 1,054,039.30, 1,454,573.94 and 570,604.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,039.30 : 1,454,573.94 = 570,604.10 : x
2. Step 2: Convert to fraction form
   1,054,039.30/1,454,573.94 = 570,604.10/x
3. Step 3: Cross multiply
   1,054,039.30x = 1,454,573.94 × 570,604.10
4. Step 4: Simplify right side
   1,054,039.30x = 829,985,853,917.15
5. Step 5: Solve for x
   x = 829,985,853,917.15/1,054,039.30
6. Step 6: Final answer
   x = 787,433.50