Finding the Fourth Proportional to 106,200.49, 146,556.72 and 58,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,200.49 : 146,556.72 = 58,453.50 : x
2. Step 2: Convert to fraction form
   106,200.49/146,556.72 = 58,453.50/x
3. Step 3: Cross multiply
   106,200.49x = 146,556.72 × 58,453.50
4. Step 4: Simplify right side
   106,200.49x = 8,566,752,207.47
5. Step 5: Solve for x
   x = 8,566,752,207.47/106,200.49
6. Step 6: Final answer
   x = 80,665.84