Finding the Fourth Proportional to 143,993.86, 216,087.20 and 59,754.11

Step by Step Solution

1. Step 1: Write the proportion equation
   143,993.86 : 216,087.20 = 59,754.11 : x
2. Step 2: Convert to fraction form
   143,993.86/216,087.20 = 59,754.11/x
3. Step 3: Cross multiply
   143,993.86x = 216,087.20 × 59,754.11
4. Step 4: Simplify right side
   143,993.86x = 12,912,097,331.32
5. Step 5: Solve for x
   x = 12,912,097,331.32/143,993.86
6. Step 6: Final answer
   x = 89,671.17