Finding the Fourth Proportional to 12,103.40, 18,150.42 and 4,706.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.40 : 18,150.42 = 4,706.88 : x
2. Step 2: Convert to fraction form
   12,103.40/18,150.42 = 4,706.88/x
3. Step 3: Cross multiply
   12,103.40x = 18,150.42 × 4,706.88
4. Step 4: Simplify right side
   12,103.40x = 85,431,848.89
5. Step 5: Solve for x
   x = 85,431,848.89/12,103.40
6. Step 6: Final answer
   x = 7,058.50