Finding the Fourth Proportional to 2,113.29, 2,916.14 and 1,229.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.29 : 2,916.14 = 1,229.00 : x
2. Step 2: Convert to fraction form
   2,113.29/2,916.14 = 1,229.00/x
3. Step 3: Cross multiply
   2,113.29x = 2,916.14 × 1,229.00
4. Step 4: Simplify right side
   2,113.29x = 3,583,915.33
5. Step 5: Solve for x
   x = 3,583,915.33/2,113.29
6. Step 6: Final answer
   x = 1,695.89