Finding the Fourth Proportional to 21,888.96, 32,839.20 and 10,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,888.96 : 32,839.20 = 10,196.16 : x
2. Step 2: Convert to fraction form
   21,888.96/32,839.20 = 10,196.16/x
3. Step 3: Cross multiply
   21,888.96x = 32,839.20 × 10,196.16
4. Step 4: Simplify right side
   21,888.96x = 334,833,737.47
5. Step 5: Solve for x
   x = 334,833,737.47/21,888.96
6. Step 6: Final answer
   x = 15,296.92