Finding the Fourth Proportional to 23,588.48, 32,552.96 and 12,978.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,588.48 : 32,552.96 = 12,978.92 : x
2. Step 2: Convert to fraction form
   23,588.48/32,552.96 = 12,978.92/x
3. Step 3: Cross multiply
   23,588.48x = 32,552.96 × 12,978.92
4. Step 4: Simplify right side
   23,588.48x = 422,502,263.60
5. Step 5: Solve for x
   x = 422,502,263.60/23,588.48
6. Step 6: Final answer
   x = 17,911.38