Finding the Fourth Proportional to 1,057,338.57, 1,459,128.72 and 573,903.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,338.57 : 1,459,128.72 = 573,903.82 : x
2. Step 2: Convert to fraction form
   1,057,338.57/1,459,128.72 = 573,903.82/x
3. Step 3: Cross multiply
   1,057,338.57x = 1,459,128.72 × 573,903.82
4. Step 4: Simplify right side
   1,057,338.57x = 837,399,546,279.71
5. Step 5: Solve for x
   x = 837,399,546,279.71/1,057,338.57
6. Step 6: Final answer
   x = 791,988.08