Finding the Fourth Proportional to 1,065,820.48, 1,470,842.55 and 582,385.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,820.48 : 1,470,842.55 = 582,385.55 : x
2. Step 2: Convert to fraction form
   1,065,820.48/1,470,842.55 = 582,385.55/x
3. Step 3: Cross multiply
   1,065,820.48x = 1,470,842.55 × 582,385.55
4. Step 4: Simplify right side
   1,065,820.48x = 856,597,440,090.94
5. Step 5: Solve for x
   x = 856,597,440,090.94/1,065,820.48
6. Step 6: Final answer
   x = 803,697.68