Finding the Fourth Proportional to 143,361.08, 215,124.53 and 59,105.54

Step by Step Solution

1. Step 1: Write the proportion equation
   143,361.08 : 215,124.53 = 59,105.54 : x
2. Step 2: Convert to fraction form
   143,361.08/215,124.53 = 59,105.54/x
3. Step 3: Cross multiply
   143,361.08x = 215,124.53 × 59,105.54
4. Step 4: Simplify right side
   143,361.08x = 12,715,050,141.75
5. Step 5: Solve for x
   x = 12,715,050,141.75/143,361.08
6. Step 6: Final answer
   x = 88,692.49