Finding the Fourth Proportional to 5,411.61, 8,106.02 and 3,436.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.61 : 8,106.02 = 3,436.25 : x
2. Step 2: Convert to fraction form
   5,411.61/8,106.02 = 3,436.25/x
3. Step 3: Cross multiply
   5,411.61x = 8,106.02 × 3,436.25
4. Step 4: Simplify right side
   5,411.61x = 27,854,308.53
5. Step 5: Solve for x
   x = 27,854,308.53/5,411.61
6. Step 6: Final answer
   x = 5,147.14