Finding the Fourth Proportional to 1,527,012.78, 2,287,029.69 and 728,854.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527,012.78 : 2,287,029.69 = 728,854.62 : x
2. Step 2: Convert to fraction form
   1,527,012.78/2,287,029.69 = 728,854.62/x
3. Step 3: Cross multiply
   1,527,012.78x = 2,287,029.69 × 728,854.62
4. Step 4: Simplify right side
   1,527,012.78x = 1,666,912,155,633.67
5. Step 5: Solve for x
   x = 1,666,912,155,633.67/1,527,012.78
6. Step 6: Final answer
   x = 1,091,616.38