Finding the Fourth Proportional to 72,878.56, 100,618.82 and 59,481.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,878.56 : 100,618.82 = 59,481.76 : x
2. Step 2: Convert to fraction form
   72,878.56/100,618.82 = 59,481.76/x
3. Step 3: Cross multiply
   72,878.56x = 100,618.82 × 59,481.76
4. Step 4: Simplify right side
   72,878.56x = 5,984,984,502.72
5. Step 5: Solve for x
   x = 5,984,984,502.72/72,878.56
6. Step 6: Final answer
   x = 82,122.71