Finding the Fourth Proportional to 1,779,657.06, 2,456,142.53 and 1,005,320.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,657.06 : 2,456,142.53 = 1,005,320.55 : x
2. Step 2: Convert to fraction form
   1,779,657.06/2,456,142.53 = 1,005,320.55/x
3. Step 3: Cross multiply
   1,779,657.06x = 2,456,142.53 × 1,005,320.55
4. Step 4: Simplify right side
   1,779,657.06x = 2,469,210,554,111.39
5. Step 5: Solve for x
   x = 2,469,210,554,111.39/1,779,657.06
6. Step 6: Final answer
   x = 1,387,464.25