Finding the Fourth Proportional to 1,062,062.72, 1,465,645.76 and 585,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,062.72 : 1,465,645.76 = 585,134.72 : x
2. Step 2: Convert to fraction form
   1,062,062.72/1,465,645.76 = 585,134.72/x
3. Step 3: Cross multiply
   1,062,062.72x = 1,465,645.76 × 585,134.72
4. Step 4: Simplify right side
   1,062,062.72x = 857,600,221,396.79
5. Step 5: Solve for x
   x = 857,600,221,396.79/1,062,062.72
6. Step 6: Final answer
   x = 807,485.48