Finding the Fourth Proportional to 2,520.86, 3,480.66 and 1,527.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.86 : 3,480.66 = 1,527.48 : x
2. Step 2: Convert to fraction form
   2,520.86/3,480.66 = 1,527.48/x
3. Step 3: Cross multiply
   2,520.86x = 3,480.66 × 1,527.48
4. Step 4: Simplify right side
   2,520.86x = 5,316,651.01
5. Step 5: Solve for x
   x = 5,316,651.01/2,520.86
6. Step 6: Final answer
   x = 2,109.06