Finding the Fourth Proportional to 14,160.90, 19,536.59 and 9,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,160.90 : 19,536.59 = 9,124.72 : x
2. Step 2: Convert to fraction form
   14,160.90/19,536.59 = 9,124.72/x
3. Step 3: Cross multiply
   14,160.90x = 19,536.59 × 9,124.72
4. Step 4: Simplify right side
   14,160.90x = 178,265,913.50
5. Step 5: Solve for x
   x = 178,265,913.50/14,160.90
6. Step 6: Final answer
   x = 12,588.60