Finding the Fourth Proportional to 769,062.72, 1,061,300.52 and 446,961.36

Step by Step Solution

1. Step 1: Write the proportion equation
   769,062.72 : 1,061,300.52 = 446,961.36 : x
2. Step 2: Convert to fraction form
   769,062.72/1,061,300.52 = 446,961.36/x
3. Step 3: Cross multiply
   769,062.72x = 1,061,300.52 × 446,961.36
4. Step 4: Simplify right side
   769,062.72x = 474,360,323,787.91
5. Step 5: Solve for x
   x = 474,360,323,787.91/769,062.72
6. Step 6: Final answer
   x = 616,803.17