Finding the Fourth Proportional to 59,415.43, 89,143 and 19,436.23

Step by Step Solution

1. Step 1: Write the proportion equation
   59,415.43 : 89,143 = 19,436.23 : x
2. Step 2: Convert to fraction form
   59,415.43/89,143 = 19,436.23/x
3. Step 3: Cross multiply
   59,415.43x = 89,143 × 19,436.23
4. Step 4: Simplify right side
   59,415.43x = 1,732,603,850.89
5. Step 5: Solve for x
   x = 1,732,603,850.89/59,415.43
6. Step 6: Final answer
   x = 29,160.84