Finding the Fourth Proportional to 142,885.89, 214,313.72 and 58,654.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,885.89 : 214,313.72 = 58,654.94 : x
2. Step 2: Convert to fraction form
   142,885.89/214,313.72 = 58,654.94/x
3. Step 3: Cross multiply
   142,885.89x = 214,313.72 × 58,654.94
4. Step 4: Simplify right side
   142,885.89x = 12,570,557,022.93
5. Step 5: Solve for x
   x = 12,570,557,022.93/142,885.89
6. Step 6: Final answer
   x = 87,976.20