Finding the Fourth Proportional to 143,142.89, 214,788.15 and 58,965.26

Step by Step Solution

1. Step 1: Write the proportion equation
   143,142.89 : 214,788.15 = 58,965.26 : x
2. Step 2: Convert to fraction form
   143,142.89/214,788.15 = 58,965.26/x
3. Step 3: Cross multiply
   143,142.89x = 214,788.15 × 58,965.26
4. Step 4: Simplify right side
   143,142.89x = 12,665,038,035.73
5. Step 5: Solve for x
   x = 12,665,038,035.73/143,142.89
6. Step 6: Final answer
   x = 88,478.29