Finding the Fourth Proportional to 72,367.78, 99,901.74 and 48,510.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,367.78 : 99,901.74 = 48,510.04 : x
2. Step 2: Convert to fraction form
   72,367.78/99,901.74 = 48,510.04/x
3. Step 3: Cross multiply
   72,367.78x = 99,901.74 × 48,510.04
4. Step 4: Simplify right side
   72,367.78x = 4,846,237,403.47
5. Step 5: Solve for x
   x = 4,846,237,403.47/72,367.78
6. Step 6: Final answer
   x = 66,966.78