Finding the Fourth Proportional to 1,057,088.69, 1,458,783.33 and 573,653.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,088.69 : 1,458,783.33 = 573,653.83 : x
2. Step 2: Convert to fraction form
   1,057,088.69/1,458,783.33 = 573,653.83/x
3. Step 3: Cross multiply
   1,057,088.69x = 1,458,783.33 × 573,653.83
4. Step 4: Simplify right side
   1,057,088.69x = 836,836,641,526.39
5. Step 5: Solve for x
   x = 836,836,641,526.39/1,057,088.69
6. Step 6: Final answer
   x = 791,642.79