Finding the Fourth Proportional to 6,069.21, 9,108.72 and 3,148.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,069.21 : 9,108.72 = 3,148.35 : x
2. Step 2: Convert to fraction form
   6,069.21/9,108.72 = 3,148.35/x
3. Step 3: Cross multiply
   6,069.21x = 9,108.72 × 3,148.35
4. Step 4: Simplify right side
   6,069.21x = 28,677,438.61
5. Step 5: Solve for x
   x = 28,677,438.61/6,069.21
6. Step 6: Final answer
   x = 4,725.07