Finding the Fourth Proportional to 1,057,290.27, 1,459,062.18 and 573,855.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,290.27 : 1,459,062.18 = 573,855.59 : x
2. Step 2: Convert to fraction form
   1,057,290.27/1,459,062.18 = 573,855.59/x
3. Step 3: Cross multiply
   1,057,290.27x = 1,459,062.18 × 573,855.59
4. Step 4: Simplify right side
   1,057,290.27x = 837,290,980,855.28
5. Step 5: Solve for x
   x = 837,290,980,855.28/1,057,290.27
6. Step 6: Final answer
   x = 791,921.58