Finding the Fourth Proportional to 10,064.32, 15,087.84 and 3,906.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.32 : 15,087.84 = 3,906.88 : x
2. Step 2: Convert to fraction form
   10,064.32/15,087.84 = 3,906.88/x
3. Step 3: Cross multiply
   10,064.32x = 15,087.84 × 3,906.88
4. Step 4: Simplify right side
   10,064.32x = 58,946,380.34
5. Step 5: Solve for x
   x = 58,946,380.34/10,064.32
6. Step 6: Final answer
   x = 5,856.97