Finding the Fourth Proportional to 105,917.93, 146,105.72 and 63,451.86

Step by Step Solution

1. Step 1: Write the proportion equation
   105,917.93 : 146,105.72 = 63,451.86 : x
2. Step 2: Convert to fraction form
   105,917.93/146,105.72 = 63,451.86/x
3. Step 3: Cross multiply
   105,917.93x = 146,105.72 × 63,451.86
4. Step 4: Simplify right side
   105,917.93x = 9,270,679,420.34
5. Step 5: Solve for x
   x = 9,270,679,420.34/105,917.93
6. Step 6: Final answer
   x = 87,527.01