Finding the Fourth Proportional to 106,485.37, 146,938.46 and 58,738.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,485.37 : 146,938.46 = 58,738.72 : x
2. Step 2: Convert to fraction form
   106,485.37/146,938.46 = 58,738.72/x
3. Step 3: Cross multiply
   106,485.37x = 146,938.46 × 58,738.72
4. Step 4: Simplify right side
   106,485.37x = 8,630,977,231.20
5. Step 5: Solve for x
   x = 8,630,977,231.20/106,485.37
6. Step 6: Final answer
   x = 81,053.17