Finding the Fourth Proportional to 102,667, 141,680.46 and 57,955

Step by Step Solution

1. Step 1: Write the proportion equation
   102,667 : 141,680.46 = 57,955 : x
2. Step 2: Convert to fraction form
   102,667/141,680.46 = 57,955/x
3. Step 3: Cross multiply
   102,667x = 141,680.46 × 57,955
4. Step 4: Simplify right side
   102,667x = 8,211,091,059.30
5. Step 5: Solve for x
   x = 8,211,091,059.30/102,667
6. Step 6: Final answer
   x = 79,977.90