Finding the Fourth Proportional to 48,662.52, 72,984 and 13,602.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,662.52 : 72,984 = 13,602.48 : x
2. Step 2: Convert to fraction form
   48,662.52/72,984 = 13,602.48/x
3. Step 3: Cross multiply
   48,662.52x = 72,984 × 13,602.48
4. Step 4: Simplify right side
   48,662.52x = 992,763,400.32
5. Step 5: Solve for x
   x = 992,763,400.32/48,662.52
6. Step 6: Final answer
   x = 20,400.99