Finding the Fourth Proportional to 2,485.76, 3,727.99 and 1,025.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.76 : 3,727.99 = 1,025.93 : x
2. Step 2: Convert to fraction form
   2,485.76/3,727.99 = 1,025.93/x
3. Step 3: Cross multiply
   2,485.76x = 3,727.99 × 1,025.93
4. Step 4: Simplify right side
   2,485.76x = 3,824,667.38
5. Step 5: Solve for x
   x = 3,824,667.38/2,485.76
6. Step 6: Final answer
   x = 1,538.63