Finding the Fourth Proportional to 107,105.34, 147,801.87 and 64,656.48

Step by Step Solution

1. Step 1: Write the proportion equation
   107,105.34 : 147,801.87 = 64,656.48 : x
2. Step 2: Convert to fraction form
   107,105.34/147,801.87 = 64,656.48/x
3. Step 3: Cross multiply
   107,105.34x = 147,801.87 × 64,656.48
4. Step 4: Simplify right side
   107,105.34x = 9,556,348,651.62
5. Step 5: Solve for x
   x = 9,556,348,651.62/107,105.34
6. Step 6: Final answer
   x = 89,223.83