Finding the Fourth Proportional to 1,057,684.72, 1,459,596.72 and 574,240.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,684.72 : 1,459,596.72 = 574,240.18 : x
2. Step 2: Convert to fraction form
   1,057,684.72/1,459,596.72 = 574,240.18/x
3. Step 3: Cross multiply
   1,057,684.72x = 1,459,596.72 × 574,240.18
4. Step 4: Simplify right side
   1,057,684.72x = 838,159,083,220.21
5. Step 5: Solve for x
   x = 838,159,083,220.21/1,057,684.72
6. Step 6: Final answer
   x = 792,447.00