Finding the Fourth Proportional to 1,100.64, 1,519.12 and 751.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.64 : 1,519.12 = 751.76 : x
2. Step 2: Convert to fraction form
   1,100.64/1,519.12 = 751.76/x
3. Step 3: Cross multiply
   1,100.64x = 1,519.12 × 751.76
4. Step 4: Simplify right side
   1,100.64x = 1,142,013.65
5. Step 5: Solve for x
   x = 1,142,013.65/1,100.64
6. Step 6: Final answer
   x = 1,037.59