Finding the Fourth Proportional to 2,061.62, 3,092.70 and 1,087.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.62 : 3,092.70 = 1,087.79 : x
2. Step 2: Convert to fraction form
   2,061.62/3,092.70 = 1,087.79/x
3. Step 3: Cross multiply
   2,061.62x = 3,092.70 × 1,087.79
4. Step 4: Simplify right side
   2,061.62x = 3,364,208.13
5. Step 5: Solve for x
   x = 3,364,208.13/2,061.62
6. Step 6: Final answer
   x = 1,631.83