Finding the Fourth Proportional to 1,057,340.72, 1,459,131.38 and 573,905.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,340.72 : 1,459,131.38 = 573,905.74 : x
2. Step 2: Convert to fraction form
   1,057,340.72/1,459,131.38 = 573,905.74/x
3. Step 3: Cross multiply
   1,057,340.72x = 1,459,131.38 × 573,905.74
4. Step 4: Simplify right side
   1,057,340.72x = 837,403,870,030.91
5. Step 5: Solve for x
   x = 837,403,870,030.91/1,057,340.72
6. Step 6: Final answer
   x = 791,990.56