Finding the Fourth Proportional to 2,120.67, 2,926.55 and 1,176.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.67 : 2,926.55 = 1,176.48 : x
2. Step 2: Convert to fraction form
   2,120.67/2,926.55 = 1,176.48/x
3. Step 3: Cross multiply
   2,120.67x = 2,926.55 × 1,176.48
4. Step 4: Simplify right side
   2,120.67x = 3,443,027.54
5. Step 5: Solve for x
   x = 3,443,027.54/2,120.67
6. Step 6: Final answer
   x = 1,623.56