Finding the Fourth Proportional to 2,704.02, 4,055.49 and 972.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,704.02 : 4,055.49 = 972.06 : x
2. Step 2: Convert to fraction form
   2,704.02/4,055.49 = 972.06/x
3. Step 3: Cross multiply
   2,704.02x = 4,055.49 × 972.06
4. Step 4: Simplify right side
   2,704.02x = 3,942,179.61
5. Step 5: Solve for x
   x = 3,942,179.61/2,704.02
6. Step 6: Final answer
   x = 1,457.90