Finding the Fourth Proportional to 73,083.96, 100,872.59 and 42,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   73,083.96 : 100,872.59 = 42,870.56 : x
2. Step 2: Convert to fraction form
   73,083.96/100,872.59 = 42,870.56/x
3. Step 3: Cross multiply
   73,083.96x = 100,872.59 × 42,870.56
4. Step 4: Simplify right side
   73,083.96x = 4,324,463,703.23
5. Step 5: Solve for x
   x = 4,324,463,703.23/73,083.96
6. Step 6: Final answer
   x = 59,171.17