Finding the Fourth Proportional to 5,872.19, 8,106.17 and 3,513.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,872.19 : 8,106.17 = 3,513.89 : x
2. Step 2: Convert to fraction form
   5,872.19/8,106.17 = 3,513.89/x
3. Step 3: Cross multiply
   5,872.19x = 8,106.17 × 3,513.89
4. Step 4: Simplify right side
   5,872.19x = 28,484,172.13
5. Step 5: Solve for x
   x = 28,484,172.13/5,872.19
6. Step 6: Final answer
   x = 4,850.69