Finding the Fourth Proportional to 14,499.23, 21,748.55 and 4,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.23 : 21,748.55 = 4,638.50 : x
2. Step 2: Convert to fraction form
   14,499.23/21,748.55 = 4,638.50/x
3. Step 3: Cross multiply
   14,499.23x = 21,748.55 × 4,638.50
4. Step 4: Simplify right side
   14,499.23x = 100,880,680.35
5. Step 5: Solve for x
   x = 100,880,680.35/14,499.23
6. Step 6: Final answer
   x = 6,957.66