Finding the Fourth Proportional to 2,637.43, 3,956.13 and 2,477.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.43 : 3,956.13 = 2,477.05 : x
2. Step 2: Convert to fraction form
   2,637.43/3,956.13 = 2,477.05/x
3. Step 3: Cross multiply
   2,637.43x = 3,956.13 × 2,477.05
4. Step 4: Simplify right side
   2,637.43x = 9,799,531.82
5. Step 5: Solve for x
   x = 9,799,531.82/2,637.43
6. Step 6: Final answer
   x = 3,715.56