Finding the Fourth Proportional to 1,404.32, 2,105.84 and 754.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.32 : 2,105.84 = 754.88 : x
2. Step 2: Convert to fraction form
   1,404.32/2,105.84 = 754.88/x
3. Step 3: Cross multiply
   1,404.32x = 2,105.84 × 754.88
4. Step 4: Simplify right side
   1,404.32x = 1,589,656.50
5. Step 5: Solve for x
   x = 1,589,656.50/1,404.32
6. Step 6: Final answer
   x = 1,131.98