Finding the Fourth Proportional to 21,397.96, 32,100.54 and 8,924.68

Step by Step Solution

1. Step 1: Write the proportion equation
   21,397.96 : 32,100.54 = 8,924.68 : x
2. Step 2: Convert to fraction form
   21,397.96/32,100.54 = 8,924.68/x
3. Step 3: Cross multiply
   21,397.96x = 32,100.54 × 8,924.68
4. Step 4: Simplify right side
   21,397.96x = 286,487,047.33
5. Step 5: Solve for x
   x = 286,487,047.33/21,397.96
6. Step 6: Final answer
   x = 13,388.52