Finding the Fourth Proportional to 1,416,912.72, 1,955,280.72 and 772,318.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416,912.72 : 1,955,280.72 = 772,318.76 : x
2. Step 2: Convert to fraction form
   1,416,912.72/1,955,280.72 = 772,318.76/x
3. Step 3: Cross multiply
   1,416,912.72x = 1,955,280.72 × 772,318.76
4. Step 4: Simplify right side
   1,416,912.72x = 1,510,099,981,122.31
5. Step 5: Solve for x
   x = 1,510,099,981,122.31/1,416,912.72
6. Step 6: Final answer
   x = 1,065,767.82