Finding the Fourth Proportional to 12,100.50, 18,157.65 and 4,704

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.50 : 18,157.65 = 4,704 : x
2. Step 2: Convert to fraction form
   12,100.50/18,157.65 = 4,704/x
3. Step 3: Cross multiply
   12,100.50x = 18,157.65 × 4,704
4. Step 4: Simplify right side
   12,100.50x = 85,413,585.60
5. Step 5: Solve for x
   x = 85,413,585.60/12,100.50
6. Step 6: Final answer
   x = 7,058.68