Finding the Fourth Proportional to 1,346.91, 1,858.69 and 757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.91 : 1,858.69 = 757.50 : x
2. Step 2: Convert to fraction form
   1,346.91/1,858.69 = 757.50/x
3. Step 3: Cross multiply
   1,346.91x = 1,858.69 × 757.50
4. Step 4: Simplify right side
   1,346.91x = 1,407,953.89
5. Step 5: Solve for x
   x = 1,407,953.89/1,346.91
6. Step 6: Final answer
   x = 1,045.32