Finding the Fourth Proportional to 130,658.67, 196,025.27 and 64,118.79

Step by Step Solution

1. Step 1: Write the proportion equation
   130,658.67 : 196,025.27 = 64,118.79 : x
2. Step 2: Convert to fraction form
   130,658.67/196,025.27 = 64,118.79/x
3. Step 3: Cross multiply
   130,658.67x = 196,025.27 × 64,118.79
4. Step 4: Simplify right side
   130,658.67x = 12,568,902,801.23
5. Step 5: Solve for x
   x = 12,568,902,801.23/130,658.67
6. Step 6: Final answer
   x = 96,196.47