Finding the Fourth Proportional to 4,870.28, 7,302.22 and 1,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.28 : 7,302.22 = 1,748.72 : x
2. Step 2: Convert to fraction form
   4,870.28/7,302.22 = 1,748.72/x
3. Step 3: Cross multiply
   4,870.28x = 7,302.22 × 1,748.72
4. Step 4: Simplify right side
   4,870.28x = 12,769,538.16
5. Step 5: Solve for x
   x = 12,769,538.16/4,870.28
6. Step 6: Final answer
   x = 2,621.93