Finding the Fourth Proportional to 2,061.62, 3,092.70 and 1,087.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.62 : 3,092.70 = 1,087.76 : x
2. Step 2: Convert to fraction form
   2,061.62/3,092.70 = 1,087.76/x
3. Step 3: Cross multiply
   2,061.62x = 3,092.70 × 1,087.76
4. Step 4: Simplify right side
   2,061.62x = 3,364,115.35
5. Step 5: Solve for x
   x = 3,364,115.35/2,061.62
6. Step 6: Final answer
   x = 1,631.78