Finding the Fourth Proportional to 2,116.32, 2,920.08 and 1,184.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.32 : 2,920.08 = 1,184.80 : x
2. Step 2: Convert to fraction form
   2,116.32/2,920.08 = 1,184.80/x
3. Step 3: Cross multiply
   2,116.32x = 2,920.08 × 1,184.80
4. Step 4: Simplify right side
   2,116.32x = 3,459,710.78
5. Step 5: Solve for x
   x = 3,459,710.78/2,116.32
6. Step 6: Final answer
   x = 1,634.78