Finding the Fourth Proportional to 12,100.95, 18,146.82 and 4,704.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.95 : 18,146.82 = 4,704.48 : x
2. Step 2: Convert to fraction form
   12,100.95/18,146.82 = 4,704.48/x
3. Step 3: Cross multiply
   12,100.95x = 18,146.82 × 4,704.48
4. Step 4: Simplify right side
   12,100.95x = 85,371,351.75
5. Step 5: Solve for x
   x = 85,371,351.75/12,100.95
6. Step 6: Final answer
   x = 7,054.93