Finding the Fourth Proportional to 1,349,978.60, 1,863,141.84 and 769,410.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349,978.60 : 1,863,141.84 = 769,410.42 : x
2. Step 2: Convert to fraction form
   1,349,978.60/1,863,141.84 = 769,410.42/x
3. Step 3: Cross multiply
   1,349,978.60x = 1,863,141.84 × 769,410.42
4. Step 4: Simplify right side
   1,349,978.60x = 1,433,520,745,633.97
5. Step 5: Solve for x
   x = 1,433,520,745,633.97/1,349,978.60
6. Step 6: Final answer
   x = 1,061,884.05