Finding the Fourth Proportional to 2,092.70, 2,886.17 and 1,384.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.70 : 2,886.17 = 1,384.58 : x
2. Step 2: Convert to fraction form
   2,092.70/2,886.17 = 1,384.58/x
3. Step 3: Cross multiply
   2,092.70x = 2,886.17 × 1,384.58
4. Step 4: Simplify right side
   2,092.70x = 3,996,111.90
5. Step 5: Solve for x
   x = 3,996,111.90/2,092.70
6. Step 6: Final answer
   x = 1,909.55