Finding the Fourth Proportional to 12,705.12, 19,062.54 and 4,914

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.12 : 19,062.54 = 4,914 : x
2. Step 2: Convert to fraction form
   12,705.12/19,062.54 = 4,914/x
3. Step 3: Cross multiply
   12,705.12x = 19,062.54 × 4,914
4. Step 4: Simplify right side
   12,705.12x = 93,673,321.56
5. Step 5: Solve for x
   x = 93,673,321.56/12,705.12
6. Step 6: Final answer
   x = 7,372.88