Finding the Fourth Proportional to 1,014,818.88, 1,400,108.88 and 585,089.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014,818.88 : 1,400,108.88 = 585,089.64 : x
2. Step 2: Convert to fraction form
   1,014,818.88/1,400,108.88 = 585,089.64/x
3. Step 3: Cross multiply
   1,014,818.88x = 1,400,108.88 × 585,089.64
4. Step 4: Simplify right side
   1,014,818.88x = 819,189,200,560.00
5. Step 5: Solve for x
   x = 819,189,200,560.00/1,014,818.88
6. Step 6: Final answer
   x = 807,227.00