Finding the Fourth Proportional to 1,931.60, 2,665.71 and 1,092.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.60 : 2,665.71 = 1,092.34 : x
2. Step 2: Convert to fraction form
   1,931.60/2,665.71 = 1,092.34/x
3. Step 3: Cross multiply
   1,931.60x = 2,665.71 × 1,092.34
4. Step 4: Simplify right side
   1,931.60x = 2,911,861.66
5. Step 5: Solve for x
   x = 2,911,861.66/1,931.60
6. Step 6: Final answer
   x = 1,507.49