Finding the Fourth Proportional to 48,018.48, 72,049.32 and 30,483.60

Step by Step Solution

1. Step 1: Write the proportion equation
   48,018.48 : 72,049.32 = 30,483.60 : x
2. Step 2: Convert to fraction form
   48,018.48/72,049.32 = 30,483.60/x
3. Step 3: Cross multiply
   48,018.48x = 72,049.32 × 30,483.60
4. Step 4: Simplify right side
   48,018.48x = 2,196,322,651.15
5. Step 5: Solve for x
   x = 2,196,322,651.15/48,018.48
6. Step 6: Final answer
   x = 45,739.11