Finding the Fourth Proportional to 1,348.61, 1,861.16 and 751.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.61 : 1,861.16 = 751.10 : x
2. Step 2: Convert to fraction form
   1,348.61/1,861.16 = 751.10/x
3. Step 3: Cross multiply
   1,348.61x = 1,861.16 × 751.10
4. Step 4: Simplify right side
   1,348.61x = 1,397,904.21
5. Step 5: Solve for x
   x = 1,397,904.21/1,348.61
6. Step 6: Final answer
   x = 1,036.56