Finding the Fourth Proportional to 2,520.69, 3,781.01 and 1,487.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.69 : 3,781.01 = 1,487.88 : x
2. Step 2: Convert to fraction form
   2,520.69/3,781.01 = 1,487.88/x
3. Step 3: Cross multiply
   2,520.69x = 3,781.01 × 1,487.88
4. Step 4: Simplify right side
   2,520.69x = 5,625,681.72
5. Step 5: Solve for x
   x = 5,625,681.72/2,520.69
6. Step 6: Final answer
   x = 2,231.80