Finding the Fourth Proportional to 2,076.31, 2,862.62 and 1,720.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.31 : 2,862.62 = 1,720.93 : x
2. Step 2: Convert to fraction form
   2,076.31/2,862.62 = 1,720.93/x
3. Step 3: Cross multiply
   2,076.31x = 2,862.62 × 1,720.93
4. Step 4: Simplify right side
   2,076.31x = 4,926,360.03
5. Step 5: Solve for x
   x = 4,926,360.03/2,076.31
6. Step 6: Final answer
   x = 2,372.65