Finding the Fourth Proportional to 143,995.37, 216,089.46 and 59,755.61

Step by Step Solution

1. Step 1: Write the proportion equation
   143,995.37 : 216,089.46 = 59,755.61 : x
2. Step 2: Convert to fraction form
   143,995.37/216,089.46 = 59,755.61/x
3. Step 3: Cross multiply
   143,995.37x = 216,089.46 × 59,755.61
4. Step 4: Simplify right side
   143,995.37x = 12,912,556,416.42
5. Step 5: Solve for x
   x = 12,912,556,416.42/143,995.37
6. Step 6: Final answer
   x = 89,673.42