Finding the Fourth Proportional to 2,485.79, 3,430.03 and 1,541.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.79 : 3,430.03 = 1,541.96 : x
2. Step 2: Convert to fraction form
   2,485.79/3,430.03 = 1,541.96/x
3. Step 3: Cross multiply
   2,485.79x = 3,430.03 × 1,541.96
4. Step 4: Simplify right side
   2,485.79x = 5,288,973.78
5. Step 5: Solve for x
   x = 5,288,973.78/2,485.79
6. Step 6: Final answer
   x = 2,127.68