Finding the Fourth Proportional to 1,925.32, 2,656.91 and 1,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.32 : 2,656.91 = 1,086.10 : x
2. Step 2: Convert to fraction form
   1,925.32/2,656.91 = 1,086.10/x
3. Step 3: Cross multiply
   1,925.32x = 2,656.91 × 1,086.10
4. Step 4: Simplify right side
   1,925.32x = 2,885,669.95
5. Step 5: Solve for x
   x = 2,885,669.95/1,925.32
6. Step 6: Final answer
   x = 1,498.80