Finding the Fourth Proportional to 23,320.21, 32,181.84 and 12,709.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,320.21 : 32,181.84 = 12,709.82 : x
2. Step 2: Convert to fraction form
   23,320.21/32,181.84 = 12,709.82/x
3. Step 3: Cross multiply
   23,320.21x = 32,181.84 × 12,709.82
4. Step 4: Simplify right side
   23,320.21x = 409,025,393.67
5. Step 5: Solve for x
   x = 409,025,393.67/23,320.21
6. Step 6: Final answer
   x = 17,539.52