Finding the Fourth Proportional to 8,867.34, 12,237.55 and 5,091.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,867.34 : 12,237.55 = 5,091.59 : x
2. Step 2: Convert to fraction form
   8,867.34/12,237.55 = 5,091.59/x
3. Step 3: Cross multiply
   8,867.34x = 12,237.55 × 5,091.59
4. Step 4: Simplify right side
   8,867.34x = 62,308,605.07
5. Step 5: Solve for x
   x = 62,308,605.07/8,867.34
6. Step 6: Final answer
   x = 7,026.75