Finding the Fourth Proportional to 21,388.59, 32,096.86 and 9,701.91

Step by Step Solution

1. Step 1: Write the proportion equation
   21,388.59 : 32,096.86 = 9,701.91 : x
2. Step 2: Convert to fraction form
   21,388.59/32,096.86 = 9,701.91/x
3. Step 3: Cross multiply
   21,388.59x = 32,096.86 × 9,701.91
4. Step 4: Simplify right side
   21,388.59x = 311,400,822.75
5. Step 5: Solve for x
   x = 311,400,822.75/21,388.59
6. Step 6: Final answer
   x = 14,559.20