Finding the Fourth Proportional to 106,776.72, 147,347.91 and 61,469.37

Step by Step Solution

1. Step 1: Write the proportion equation
   106,776.72 : 147,347.91 = 61,469.37 : x
2. Step 2: Convert to fraction form
   106,776.72/147,347.91 = 61,469.37/x
3. Step 3: Cross multiply
   106,776.72x = 147,347.91 × 61,469.37
4. Step 4: Simplify right side
   106,776.72x = 9,057,383,198.52
5. Step 5: Solve for x
   x = 9,057,383,198.52/106,776.72
6. Step 6: Final answer
   x = 84,825.45