Finding the Fourth Proportional to 1,424,665.98, 1,965,952.35 and 780,093.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,665.98 : 1,965,952.35 = 780,093.90 : x
2. Step 2: Convert to fraction form
   1,424,665.98/1,965,952.35 = 780,093.90/x
3. Step 3: Cross multiply
   1,424,665.98x = 1,965,952.35 × 780,093.90
4. Step 4: Simplify right side
   1,424,665.98x = 1,533,627,435,925.67
5. Step 5: Solve for x
   x = 1,533,627,435,925.67/1,424,665.98
6. Step 6: Final answer
   x = 1,076,482.11