Finding the Fourth Proportional to 1,061,223.48, 1,464,479.60 and 577,787.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,223.48 : 1,464,479.60 = 577,787.67 : x
2. Step 2: Convert to fraction form
   1,061,223.48/1,464,479.60 = 577,787.67/x
3. Step 3: Cross multiply
   1,061,223.48x = 1,464,479.60 × 577,787.67
4. Step 4: Simplify right side
   1,061,223.48x = 846,158,252,957.59
5. Step 5: Solve for x
   x = 846,158,252,957.59/1,061,223.48
6. Step 6: Final answer
   x = 797,342.19