Finding the Fourth Proportional to 1,925.42, 2,657.34 and 1,086.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.42 : 2,657.34 = 1,086.18 : x
2. Step 2: Convert to fraction form
   1,925.42/2,657.34 = 1,086.18/x
3. Step 3: Cross multiply
   1,925.42x = 2,657.34 × 1,086.18
4. Step 4: Simplify right side
   1,925.42x = 2,886,349.56
5. Step 5: Solve for x
   x = 2,886,349.56/1,925.42
6. Step 6: Final answer
   x = 1,499.08