Finding the Fourth Proportional to 2,954.72, 4,430.52 and 1,310.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,954.72 : 4,430.52 = 1,310.55 : x
2. Step 2: Convert to fraction form
   2,954.72/4,430.52 = 1,310.55/x
3. Step 3: Cross multiply
   2,954.72x = 4,430.52 × 1,310.55
4. Step 4: Simplify right side
   2,954.72x = 5,806,417.99
5. Step 5: Solve for x
   x = 5,806,417.99/2,954.72
6. Step 6: Final answer
   x = 1,965.13