Finding the Fourth Proportional to 59,938.09, 89,878.42 and 28,321.84

Step by Step Solution

1. Step 1: Write the proportion equation
   59,938.09 : 89,878.42 = 28,321.84 : x
2. Step 2: Convert to fraction form
   59,938.09/89,878.42 = 28,321.84/x
3. Step 3: Cross multiply
   59,938.09x = 89,878.42 × 28,321.84
4. Step 4: Simplify right side
   59,938.09x = 2,545,522,230.69
5. Step 5: Solve for x
   x = 2,545,522,230.69/59,938.09
6. Step 6: Final answer
   x = 42,469.19