Finding the Fourth Proportional to 3,510.88, 5,264.55 and 1,170.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.88 : 5,264.55 = 1,170.05 : x
2. Step 2: Convert to fraction form
   3,510.88/5,264.55 = 1,170.05/x
3. Step 3: Cross multiply
   3,510.88x = 5,264.55 × 1,170.05
4. Step 4: Simplify right side
   3,510.88x = 6,159,799.89
5. Step 5: Solve for x
   x = 6,159,799.89/3,510.88
6. Step 6: Final answer
   x = 1,754.49