Finding the Fourth Proportional to 1,556.40, 2,146.76 and 1,300.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.40 : 2,146.76 = 1,300.18 : x
2. Step 2: Convert to fraction form
   1,556.40/2,146.76 = 1,300.18/x
3. Step 3: Cross multiply
   1,556.40x = 2,146.76 × 1,300.18
4. Step 4: Simplify right side
   1,556.40x = 2,791,174.42
5. Step 5: Solve for x
   x = 2,791,174.42/1,556.40
6. Step 6: Final answer
   x = 1,793.35