Finding the Fourth Proportional to 1,061,380.62, 1,464,722.72 and 577,955.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,380.62 : 1,464,722.72 = 577,955.20 : x
2. Step 2: Convert to fraction form
   1,061,380.62/1,464,722.72 = 577,955.20/x
3. Step 3: Cross multiply
   1,061,380.62x = 1,464,722.72 × 577,955.20
4. Step 4: Simplify right side
   1,061,380.62x = 846,544,112,582.14
5. Step 5: Solve for x
   x = 846,544,112,582.14/1,061,380.62
6. Step 6: Final answer
   x = 797,587.69