Finding the Fourth Proportional to 2,955.06, 4,433.61 and 1,312.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,955.06 : 4,433.61 = 1,312.76 : x
2. Step 2: Convert to fraction form
   2,955.06/4,433.61 = 1,312.76/x
3. Step 3: Cross multiply
   2,955.06x = 4,433.61 × 1,312.76
4. Step 4: Simplify right side
   2,955.06x = 5,820,265.86
5. Step 5: Solve for x
   x = 5,820,265.86/2,955.06
6. Step 6: Final answer
   x = 1,969.59