Finding the Fourth Proportional to 1,055,940.05, 1,457,207.69 and 572,503.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,940.05 : 1,457,207.69 = 572,503.89 : x
2. Step 2: Convert to fraction form
   1,055,940.05/1,457,207.69 = 572,503.89/x
3. Step 3: Cross multiply
   1,055,940.05x = 1,457,207.69 × 572,503.89
4. Step 4: Simplify right side
   1,055,940.05x = 834,257,071,062.91
5. Step 5: Solve for x
   x = 834,257,071,062.91/1,055,940.05
6. Step 6: Final answer
   x = 790,061.02