Finding the Fourth Proportional to 48,042.27, 72,008.69 and 30,038.81

Step by Step Solution

1. Step 1: Write the proportion equation
   48,042.27 : 72,008.69 = 30,038.81 : x
2. Step 2: Convert to fraction form
   48,042.27/72,008.69 = 30,038.81/x
3. Step 3: Cross multiply
   48,042.27x = 72,008.69 × 30,038.81
4. Step 4: Simplify right side
   48,042.27x = 2,163,054,847.02
5. Step 5: Solve for x
   x = 2,163,054,847.02/48,042.27
6. Step 6: Final answer
   x = 45,023.99