Finding the Fourth Proportional to 1,665,665.60, 2,498,124.16 and 766,243.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,665.60 : 2,498,124.16 = 766,243.52 : x
2. Step 2: Convert to fraction form
   1,665,665.60/2,498,124.16 = 766,243.52/x
3. Step 3: Cross multiply
   1,665,665.60x = 2,498,124.16 × 766,243.52
4. Step 4: Simplify right side
   1,665,665.60x = 1,914,171,449,755.44
5. Step 5: Solve for x
   x = 1,914,171,449,755.44/1,665,665.60
6. Step 6: Final answer
   x = 1,149,193.12