Finding the Fourth Proportional to 23,798.86, 32,842.43 and 13,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,798.86 : 32,842.43 = 13,188.50 : x
2. Step 2: Convert to fraction form
   23,798.86/32,842.43 = 13,188.50/x
3. Step 3: Cross multiply
   23,798.86x = 32,842.43 × 13,188.50
4. Step 4: Simplify right side
   23,798.86x = 433,142,388.06
5. Step 5: Solve for x
   x = 433,142,388.06/23,798.86
6. Step 6: Final answer
   x = 18,200.13