Finding the Fourth Proportional to 12,662.58, 18,988.98 and 5,061.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,662.58 : 18,988.98 = 5,061.54 : x
2. Step 2: Convert to fraction form
   12,662.58/18,988.98 = 5,061.54/x
3. Step 3: Cross multiply
   12,662.58x = 18,988.98 × 5,061.54
4. Step 4: Simplify right side
   12,662.58x = 96,113,481.83
5. Step 5: Solve for x
   x = 96,113,481.83/12,662.58
6. Step 6: Final answer
   x = 7,590.36