Finding the Fourth Proportional to 107,084.16, 147,902.22 and 85,648.32

Step by Step Solution

1. Step 1: Write the proportion equation
   107,084.16 : 147,902.22 = 85,648.32 : x
2. Step 2: Convert to fraction form
   107,084.16/147,902.22 = 85,648.32/x
3. Step 3: Cross multiply
   107,084.16x = 147,902.22 × 85,648.32
4. Step 4: Simplify right side
   107,084.16x = 12,667,576,667.27
5. Step 5: Solve for x
   x = 12,667,576,667.27/107,084.16
6. Step 6: Final answer
   x = 118,295.52