Finding the Fourth Proportional to 2,088,390.12, 3,132,587.55 and 572,086.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088,390.12 : 3,132,587.55 = 572,086.05 : x
2. Step 2: Convert to fraction form
   2,088,390.12/3,132,587.55 = 572,086.05/x
3. Step 3: Cross multiply
   2,088,390.12x = 3,132,587.55 × 572,086.05
4. Step 4: Simplify right side
   2,088,390.12x = 1,792,109,637,758.68
5. Step 5: Solve for x
   x = 1,792,109,637,758.68/2,088,390.12
6. Step 6: Final answer
   x = 858,129.72