Finding the Fourth Proportional to 10,134, 15,188.52 and 7,196.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134 : 15,188.52 = 7,196.40 : x
2. Step 2: Convert to fraction form
   10,134/15,188.52 = 7,196.40/x
3. Step 3: Cross multiply
   10,134x = 15,188.52 × 7,196.40
4. Step 4: Simplify right side
   10,134x = 109,302,665.33
5. Step 5: Solve for x
   x = 109,302,665.33/10,134
6. Step 6: Final answer
   x = 10,785.74