Finding the Fourth Proportional to 1,926.52, 2,658.59 and 1,042.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.52 : 2,658.59 = 1,042.32 : x
2. Step 2: Convert to fraction form
   1,926.52/2,658.59 = 1,042.32/x
3. Step 3: Cross multiply
   1,926.52x = 2,658.59 × 1,042.32
4. Step 4: Simplify right side
   1,926.52x = 2,771,101.53
5. Step 5: Solve for x
   x = 2,771,101.53/1,926.52
6. Step 6: Final answer
   x = 1,438.40