Finding the Fourth Proportional to 17,518.72, 24,185.76 and 12,148.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,518.72 : 24,185.76 = 12,148.96 : x
2. Step 2: Convert to fraction form
   17,518.72/24,185.76 = 12,148.96/x
3. Step 3: Cross multiply
   17,518.72x = 24,185.76 × 12,148.96
4. Step 4: Simplify right side
   17,518.72x = 293,831,830.81
5. Step 5: Solve for x
   x = 293,831,830.81/17,518.72
6. Step 6: Final answer
   x = 16,772.45