Finding the Fourth Proportional to 2,193.12, 3,026.88 and 1,262.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193.12 : 3,026.88 = 1,262.16 : x
2. Step 2: Convert to fraction form
   2,193.12/3,026.88 = 1,262.16/x
3. Step 3: Cross multiply
   2,193.12x = 3,026.88 × 1,262.16
4. Step 4: Simplify right side
   2,193.12x = 3,820,406.86
5. Step 5: Solve for x
   x = 3,820,406.86/2,193.12
6. Step 6: Final answer
   x = 1,742.00