Finding the Fourth Proportional to 12,116.32, 18,166.68 and 5,100.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,116.32 : 18,166.68 = 5,100.88 : x
2. Step 2: Convert to fraction form
   12,116.32/18,166.68 = 5,100.88/x
3. Step 3: Cross multiply
   12,116.32x = 18,166.68 × 5,100.88
4. Step 4: Simplify right side
   12,116.32x = 92,666,054.68
5. Step 5: Solve for x
   x = 92,666,054.68/12,116.32
6. Step 6: Final answer
   x = 7,648.04