Finding the Fourth Proportional to 143,443.20, 215,190.88 and 59,156.53

Step by Step Solution

1. Step 1: Write the proportion equation
   143,443.20 : 215,190.88 = 59,156.53 : x
2. Step 2: Convert to fraction form
   143,443.20/215,190.88 = 59,156.53/x
3. Step 3: Cross multiply
   143,443.20x = 215,190.88 × 59,156.53
4. Step 4: Simplify right side
   143,443.20x = 12,729,945,062.58
5. Step 5: Solve for x
   x = 12,729,945,062.58/143,443.20
6. Step 6: Final answer
   x = 88,745.54