Finding the Fourth Proportional to 1,407,314.76, 1,942,086.69 and 762,728.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,314.76 : 1,942,086.69 = 762,728.10 : x
2. Step 2: Convert to fraction form
   1,407,314.76/1,942,086.69 = 762,728.10/x
3. Step 3: Cross multiply
   1,407,314.76x = 1,942,086.69 × 762,728.10
4. Step 4: Simplify right side
   1,407,314.76x = 1,481,284,091,098.99
5. Step 5: Solve for x
   x = 1,481,284,091,098.99/1,407,314.76
6. Step 6: Final answer
   x = 1,052,560.62