Finding the Fourth Proportional to 23,990.12, 33,109.34 and 13,784.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,990.12 : 33,109.34 = 13,784.32 : x
2. Step 2: Convert to fraction form
   23,990.12/33,109.34 = 13,784.32/x
3. Step 3: Cross multiply
   23,990.12x = 33,109.34 × 13,784.32
4. Step 4: Simplify right side
   23,990.12x = 456,389,737.55
5. Step 5: Solve for x
   x = 456,389,737.55/23,990.12
6. Step 6: Final answer
   x = 19,024.07