Finding the Fourth Proportional to 2,150.17, 2,947.91 and 2,111.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.17 : 2,947.91 = 2,111.29 : x
2. Step 2: Convert to fraction form
   2,150.17/2,947.91 = 2,111.29/x
3. Step 3: Cross multiply
   2,150.17x = 2,947.91 × 2,111.29
4. Step 4: Simplify right side
   2,150.17x = 6,223,892.90
5. Step 5: Solve for x
   x = 6,223,892.90/2,150.17
6. Step 6: Final answer
   x = 2,894.61