Finding the Fourth Proportional to 1,301,776.80, 1,796,244.72 and 728,841.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301,776.80 : 1,796,244.72 = 728,841.12 : x
2. Step 2: Convert to fraction form
   1,301,776.80/1,796,244.72 = 728,841.12/x
3. Step 3: Cross multiply
   1,301,776.80x = 1,796,244.72 × 728,841.12
4. Step 4: Simplify right side
   1,301,776.80x = 1,309,177,013,518.89
5. Step 5: Solve for x
   x = 1,309,177,013,518.89/1,301,776.80
6. Step 6: Final answer
   x = 1,005,684.70