Finding the Fourth Proportional to 1,300.80, 1,793.72 and 1,114.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.80 : 1,793.72 = 1,114.88 : x
2. Step 2: Convert to fraction form
   1,300.80/1,793.72 = 1,114.88/x
3. Step 3: Cross multiply
   1,300.80x = 1,793.72 × 1,114.88
4. Step 4: Simplify right side
   1,300.80x = 1,999,782.55
5. Step 5: Solve for x
   x = 1,999,782.55/1,300.80
6. Step 6: Final answer
   x = 1,537.35