Finding the Fourth Proportional to 1,510.48, 2,263.21 and 1,069.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.48 : 2,263.21 = 1,069.55 : x
2. Step 2: Convert to fraction form
   1,510.48/2,263.21 = 1,069.55/x
3. Step 3: Cross multiply
   1,510.48x = 2,263.21 × 1,069.55
4. Step 4: Simplify right side
   1,510.48x = 2,420,616.26
5. Step 5: Solve for x
   x = 2,420,616.26/1,510.48
6. Step 6: Final answer
   x = 1,602.55