Finding the Fourth Proportional to 2,068.95, 3,100.98 and 1,028.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.95 : 3,100.98 = 1,028.64 : x
2. Step 2: Convert to fraction form
   2,068.95/3,100.98 = 1,028.64/x
3. Step 3: Cross multiply
   2,068.95x = 3,100.98 × 1,028.64
4. Step 4: Simplify right side
   2,068.95x = 3,189,792.07
5. Step 5: Solve for x
   x = 3,189,792.07/2,068.95
6. Step 6: Final answer
   x = 1,541.74