Finding the Fourth Proportional to 1,609,773.78, 2,220,562.72 and 1,005,112.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609,773.78 : 2,220,562.72 = 1,005,112.02 : x
2. Step 2: Convert to fraction form
   1,609,773.78/2,220,562.72 = 1,005,112.02/x
3. Step 3: Cross multiply
   1,609,773.78x = 2,220,562.72 × 1,005,112.02
4. Step 4: Simplify right side
   1,609,773.78x = 2,231,914,281,035.89
5. Step 5: Solve for x
   x = 2,231,914,281,035.89/1,609,773.78
6. Step 6: Final answer
   x = 1,386,476.98