Finding the Fourth Proportional to 1,027,290, 1,417,665.72 and 574,580.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,290 : 1,417,665.72 = 574,580.88 : x
2. Step 2: Convert to fraction form
   1,027,290/1,417,665.72 = 574,580.88/x
3. Step 3: Cross multiply
   1,027,290x = 1,417,665.72 × 574,580.88
4. Step 4: Simplify right side
   1,027,290x = 814,563,616,943.43
5. Step 5: Solve for x
   x = 814,563,616,943.43/1,027,290
6. Step 6: Final answer
   x = 792,924.70