Finding the Fourth Proportional to 2,642.93, 3,968.49 and 2,526.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.93 : 3,968.49 = 2,526.07 : x
2. Step 2: Convert to fraction form
   2,642.93/3,968.49 = 2,526.07/x
3. Step 3: Cross multiply
   2,642.93x = 3,968.49 × 2,526.07
4. Step 4: Simplify right side
   2,642.93x = 10,024,683.53
5. Step 5: Solve for x
   x = 10,024,683.53/2,642.93
6. Step 6: Final answer
   x = 3,793.02