Finding the Fourth Proportional to 2,720.02, 4,077.18 and 1,160.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,720.02 : 4,077.18 = 1,160.76 : x
2. Step 2: Convert to fraction form
   2,720.02/4,077.18 = 1,160.76/x
3. Step 3: Cross multiply
   2,720.02x = 4,077.18 × 1,160.76
4. Step 4: Simplify right side
   2,720.02x = 4,732,627.46
5. Step 5: Solve for x
   x = 4,732,627.46/2,720.02
6. Step 6: Final answer
   x = 1,739.92