Finding the Fourth Proportional to 14,496.96, 21,748.80 and 5,136.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,496.96 : 21,748.80 = 5,136.48 : x
2. Step 2: Convert to fraction form
   14,496.96/21,748.80 = 5,136.48/x
3. Step 3: Cross multiply
   14,496.96x = 21,748.80 × 5,136.48
4. Step 4: Simplify right side
   14,496.96x = 111,712,276.22
5. Step 5: Solve for x
   x = 111,712,276.22/14,496.96
6. Step 6: Final answer
   x = 7,705.91