Finding the Fourth Proportional to 141,932.33, 212,893.88 and 57,667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   141,932.33 : 212,893.88 = 57,667.58 : x
2. Step 2: Convert to fraction form
   141,932.33/212,893.88 = 57,667.58/x
3. Step 3: Cross multiply
   141,932.33x = 212,893.88 × 57,667.58
4. Step 4: Simplify right side
   141,932.33x = 12,277,073,503.60
5. Step 5: Solve for x
   x = 12,277,073,503.60/141,932.33
6. Step 6: Final answer
   x = 86,499.49