Finding the Fourth Proportional to 3,485.12, 5,222.77 and 1,925.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.12 : 5,222.77 = 1,925.83 : x
2. Step 2: Convert to fraction form
   3,485.12/5,222.77 = 1,925.83/x
3. Step 3: Cross multiply
   3,485.12x = 5,222.77 × 1,925.83
4. Step 4: Simplify right side
   3,485.12x = 10,058,167.15
5. Step 5: Solve for x
   x = 10,058,167.15/3,485.12
6. Step 6: Final answer
   x = 2,886.03