Finding the Fourth Proportional to 12,091.33, 18,126.06 and 4,298.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,091.33 : 18,126.06 = 4,298.32 : x
2. Step 2: Convert to fraction form
   12,091.33/18,126.06 = 4,298.32/x
3. Step 3: Cross multiply
   12,091.33x = 18,126.06 × 4,298.32
4. Step 4: Simplify right side
   12,091.33x = 77,911,606.22
5. Step 5: Solve for x
   x = 77,911,606.22/12,091.33
6. Step 6: Final answer
   x = 6,443.59