Finding the Fourth Proportional to 72,803.50, 100,499.81 and 48,944.01

Step by Step Solution

1. Step 1: Write the proportion equation
   72,803.50 : 100,499.81 = 48,944.01 : x
2. Step 2: Convert to fraction form
   72,803.50/100,499.81 = 48,944.01/x
3. Step 3: Cross multiply
   72,803.50x = 100,499.81 × 48,944.01
4. Step 4: Simplify right side
   72,803.50x = 4,918,863,826.77
5. Step 5: Solve for x
   x = 4,918,863,826.77/72,803.50
6. Step 6: Final answer
   x = 67,563.57