Finding the Fourth Proportional to 12,111.32, 18,159.18 and 5,095.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.32 : 18,159.18 = 5,095.88 : x
2. Step 2: Convert to fraction form
   12,111.32/18,159.18 = 5,095.88/x
3. Step 3: Cross multiply
   12,111.32x = 18,159.18 × 5,095.88
4. Step 4: Simplify right side
   12,111.32x = 92,537,002.18
5. Step 5: Solve for x
   x = 92,537,002.18/12,111.32
6. Step 6: Final answer
   x = 7,640.54