Finding the Fourth Proportional to 12,730.32, 19,089.32 and 7,467.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730.32 : 19,089.32 = 7,467.05 : x
2. Step 2: Convert to fraction form
   12,730.32/19,089.32 = 7,467.05/x
3. Step 3: Cross multiply
   12,730.32x = 19,089.32 × 7,467.05
4. Step 4: Simplify right side
   12,730.32x = 142,540,917.29
5. Step 5: Solve for x
   x = 142,540,917.29/12,730.32
6. Step 6: Final answer
   x = 11,196.96