Finding the Fourth Proportional to 2,666.72, 3,680.03 and 1,487.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.72 : 3,680.03 = 1,487.77 : x
2. Step 2: Convert to fraction form
   2,666.72/3,680.03 = 1,487.77/x
3. Step 3: Cross multiply
   2,666.72x = 3,680.03 × 1,487.77
4. Step 4: Simplify right side
   2,666.72x = 5,475,032.75
5. Step 5: Solve for x
   x = 5,475,032.75/2,666.72
6. Step 6: Final answer
   x = 2,053.09