Finding the Fourth Proportional to 2,192.96, 3,026.56 and 1,261.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.96 : 3,026.56 = 1,261.76 : x
2. Step 2: Convert to fraction form
   2,192.96/3,026.56 = 1,261.76/x
3. Step 3: Cross multiply
   2,192.96x = 3,026.56 × 1,261.76
4. Step 4: Simplify right side
   2,192.96x = 3,818,792.35
5. Step 5: Solve for x
   x = 3,818,792.35/2,192.96
6. Step 6: Final answer
   x = 1,741.39