Finding the Fourth Proportional to 1,484,498.88, 2,048,605.92 and 805,435.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484,498.88 : 2,048,605.92 = 805,435.20 : x
2. Step 2: Convert to fraction form
   1,484,498.88/2,048,605.92 = 805,435.20/x
3. Step 3: Cross multiply
   1,484,498.88x = 2,048,605.92 × 805,435.20
4. Step 4: Simplify right side
   1,484,498.88x = 1,650,019,318,896.38
5. Step 5: Solve for x
   x = 1,650,019,318,896.38/1,484,498.88
6. Step 6: Final answer
   x = 1,111,499.20