Finding the Fourth Proportional to 143,321.34, 215,007.87 and 59,035.49

Step by Step Solution

1. Step 1: Write the proportion equation
   143,321.34 : 215,007.87 = 59,035.49 : x
2. Step 2: Convert to fraction form
   143,321.34/215,007.87 = 59,035.49/x
3. Step 3: Cross multiply
   143,321.34x = 215,007.87 × 59,035.49
4. Step 4: Simplify right side
   143,321.34x = 12,693,095,496.83
5. Step 5: Solve for x
   x = 12,693,095,496.83/143,321.34
6. Step 6: Final answer
   x = 88,563.89