Finding the Fourth Proportional to 2,120.17, 2,925.83 and 1,176.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.17 : 2,925.83 = 1,176.11 : x
2. Step 2: Convert to fraction form
   2,120.17/2,925.83 = 1,176.11/x
3. Step 3: Cross multiply
   2,120.17x = 2,925.83 × 1,176.11
4. Step 4: Simplify right side
   2,120.17x = 3,441,083.29
5. Step 5: Solve for x
   x = 3,441,083.29/2,120.17
6. Step 6: Final answer
   x = 1,623.02