Finding the Fourth Proportional to 21,797.51, 32,698.53 and 7,758.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,797.51 : 32,698.53 = 7,758.83 : x
2. Step 2: Convert to fraction form
   21,797.51/32,698.53 = 7,758.83/x
3. Step 3: Cross multiply
   21,797.51x = 32,698.53 × 7,758.83
4. Step 4: Simplify right side
   21,797.51x = 253,702,172.03
5. Step 5: Solve for x
   x = 253,702,172.03/21,797.51
6. Step 6: Final answer
   x = 11,639.05