Finding the Fourth Proportional to 1,926.58, 2,658.69 and 1,087.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.58 : 2,658.69 = 1,087.32 : x
2. Step 2: Convert to fraction form
   1,926.58/2,658.69 = 1,087.32/x
3. Step 3: Cross multiply
   1,926.58x = 2,658.69 × 1,087.32
4. Step 4: Simplify right side
   1,926.58x = 2,890,846.81
5. Step 5: Solve for x
   x = 2,890,846.81/1,926.58
6. Step 6: Final answer
   x = 1,500.51