Finding the Fourth Proportional to 21,459.15, 32,155.83 and 9,758.70

Step by Step Solution

1. Step 1: Write the proportion equation
   21,459.15 : 32,155.83 = 9,758.70 : x
2. Step 2: Convert to fraction form
   21,459.15/32,155.83 = 9,758.70/x
3. Step 3: Cross multiply
   21,459.15x = 32,155.83 × 9,758.70
4. Step 4: Simplify right side
   21,459.15x = 313,799,098.22
5. Step 5: Solve for x
   x = 313,799,098.22/21,459.15
6. Step 6: Final answer
   x = 14,623.09