Finding the Fourth Proportional to 1,346.17, 1,857.71 and 748.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.17 : 1,857.71 = 748.65 : x
2. Step 2: Convert to fraction form
   1,346.17/1,857.71 = 748.65/x
3. Step 3: Cross multiply
   1,346.17x = 1,857.71 × 748.65
4. Step 4: Simplify right side
   1,346.17x = 1,390,774.59
5. Step 5: Solve for x
   x = 1,390,774.59/1,346.17
6. Step 6: Final answer
   x = 1,033.13