Finding the Fourth Proportional to 10,412.18, 15,611.34 and 5,734.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,412.18 : 15,611.34 = 5,734.39 : x
2. Step 2: Convert to fraction form
   10,412.18/15,611.34 = 5,734.39/x
3. Step 3: Cross multiply
   10,412.18x = 15,611.34 × 5,734.39
4. Step 4: Simplify right side
   10,412.18x = 89,521,472.95
5. Step 5: Solve for x
   x = 89,521,472.95/10,412.18
6. Step 6: Final answer
   x = 8,597.77