Finding the Fourth Proportional to 143,018.42, 214,596.75 and 58,840.70

Step by Step Solution

1. Step 1: Write the proportion equation
   143,018.42 : 214,596.75 = 58,840.70 : x
2. Step 2: Convert to fraction form
   143,018.42/214,596.75 = 58,840.70/x
3. Step 3: Cross multiply
   143,018.42x = 214,596.75 × 58,840.70
4. Step 4: Simplify right side
   143,018.42x = 12,627,022,987.73
5. Step 5: Solve for x
   x = 12,627,022,987.73/143,018.42
6. Step 6: Final answer
   x = 88,289.49