Finding the Fourth Proportional to 178,667.27, 267,959.98 and 106,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,667.27 : 267,959.98 = 106,640.50 : x
2. Step 2: Convert to fraction form
   178,667.27/267,959.98 = 106,640.50/x
3. Step 3: Cross multiply
   178,667.27x = 267,959.98 × 106,640.50
4. Step 4: Simplify right side
   178,667.27x = 28,575,386,247.19
5. Step 5: Solve for x
   x = 28,575,386,247.19/178,667.27
6. Step 6: Final answer
   x = 159,936.32