Finding the Fourth Proportional to 14,109.61, 21,167.94 and 4,248.67

Step by Step Solution

1. Step 1: Write the proportion equation
   14,109.61 : 21,167.94 = 4,248.67 : x
2. Step 2: Convert to fraction form
   14,109.61/21,167.94 = 4,248.67/x
3. Step 3: Cross multiply
   14,109.61x = 21,167.94 × 4,248.67
4. Step 4: Simplify right side
   14,109.61x = 89,935,591.64
5. Step 5: Solve for x
   x = 89,935,591.64/14,109.61
6. Step 6: Final answer
   x = 6,374.07