Finding the Fourth Proportional to 3,191.60, 4,781.15 and 2,092.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191.60 : 4,781.15 = 2,092.61 : x
2. Step 2: Convert to fraction form
   3,191.60/4,781.15 = 2,092.61/x
3. Step 3: Cross multiply
   3,191.60x = 4,781.15 × 2,092.61
4. Step 4: Simplify right side
   3,191.60x = 10,005,063.63
5. Step 5: Solve for x
   x = 10,005,063.63/3,191.60
6. Step 6: Final answer
   x = 3,134.82