Finding the Fourth Proportional to 72,761.58, 108,967.27 and 49,316.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,761.58 : 108,967.27 = 49,316.94 : x
2. Step 2: Convert to fraction form
   72,761.58/108,967.27 = 49,316.94/x
3. Step 3: Cross multiply
   72,761.58x = 108,967.27 × 49,316.94
4. Step 4: Simplify right side
   72,761.58x = 5,373,931,648.43
5. Step 5: Solve for x
   x = 5,373,931,648.43/72,761.58
6. Step 6: Final answer
   x = 73,856.73