Finding the Fourth Proportional to 1,300.96, 1,955.55 and 1,120.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.96 : 1,955.55 = 1,120.54 : x
2. Step 2: Convert to fraction form
   1,300.96/1,955.55 = 1,120.54/x
3. Step 3: Cross multiply
   1,300.96x = 1,955.55 × 1,120.54
4. Step 4: Simplify right side
   1,300.96x = 2,191,272.00
5. Step 5: Solve for x
   x = 2,191,272.00/1,300.96
6. Step 6: Final answer
   x = 1,684.35