Finding the Fourth Proportional to 105,923.30, 146,178.74 and 60,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,923.30 : 146,178.74 = 60,615.50 : x
2. Step 2: Convert to fraction form
   105,923.30/146,178.74 = 60,615.50/x
3. Step 3: Cross multiply
   105,923.30x = 146,178.74 × 60,615.50
4. Step 4: Simplify right side
   105,923.30x = 8,860,696,835.12
5. Step 5: Solve for x
   x = 8,860,696,835.12/105,923.30
6. Step 6: Final answer
   x = 83,652.01