Finding the Fourth Proportional to 23,845.86, 32,905.98 and 13,235.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,845.86 : 32,905.98 = 13,235.40 : x
2. Step 2: Convert to fraction form
   23,845.86/32,905.98 = 13,235.40/x
3. Step 3: Cross multiply
   23,845.86x = 32,905.98 × 13,235.40
4. Step 4: Simplify right side
   23,845.86x = 435,523,807.69
5. Step 5: Solve for x
   x = 435,523,807.69/23,845.86
6. Step 6: Final answer
   x = 18,264.13