Finding the Fourth Proportional to 1,100.64, 1,525.98 and 1,034.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.64 : 1,525.98 = 1,034.40 : x
2. Step 2: Convert to fraction form
   1,100.64/1,525.98 = 1,034.40/x
3. Step 3: Cross multiply
   1,100.64x = 1,525.98 × 1,034.40
4. Step 4: Simplify right side
   1,100.64x = 1,578,473.71
5. Step 5: Solve for x
   x = 1,578,473.71/1,100.64
6. Step 6: Final answer
   x = 1,434.14