Finding the Fourth Proportional to 23,518.07, 32,455.32 and 12,908.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,518.07 : 32,455.32 = 12,908.69 : x
2. Step 2: Convert to fraction form
   23,518.07/32,455.32 = 12,908.69/x
3. Step 3: Cross multiply
   23,518.07x = 32,455.32 × 12,908.69
4. Step 4: Simplify right side
   23,518.07x = 418,955,502.45
5. Step 5: Solve for x
   x = 418,955,502.45/23,518.07
6. Step 6: Final answer
   x = 17,814.20