Finding the Fourth Proportional to 2,079.17, 2,865.89 and 1,962.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.17 : 2,865.89 = 1,962.53 : x
2. Step 2: Convert to fraction form
   2,079.17/2,865.89 = 1,962.53/x
3. Step 3: Cross multiply
   2,079.17x = 2,865.89 × 1,962.53
4. Step 4: Simplify right side
   2,079.17x = 5,624,385.29
5. Step 5: Solve for x
   x = 5,624,385.29/2,079.17
6. Step 6: Final answer
   x = 2,705.11