Finding the Fourth Proportional to 106,362.72, 146,787.47 and 61,055.37

Step by Step Solution

1. Step 1: Write the proportion equation
   106,362.72 : 146,787.47 = 61,055.37 : x
2. Step 2: Convert to fraction form
   106,362.72/146,787.47 = 61,055.37/x
3. Step 3: Cross multiply
   106,362.72x = 146,787.47 × 61,055.37
4. Step 4: Simplify right side
   106,362.72x = 8,962,162,986.94
5. Step 5: Solve for x
   x = 8,962,162,986.94/106,362.72
6. Step 6: Final answer
   x = 84,260.38