Finding the Fourth Proportional to 1,500.80, 2,259.95 and 1,113.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.80 : 2,259.95 = 1,113.53 : x
2. Step 2: Convert to fraction form
   1,500.80/2,259.95 = 1,113.53/x
3. Step 3: Cross multiply
   1,500.80x = 2,259.95 × 1,113.53
4. Step 4: Simplify right side
   1,500.80x = 2,516,513.61
5. Step 5: Solve for x
   x = 2,516,513.61/1,500.80
6. Step 6: Final answer
   x = 1,676.79