Finding the Fourth Proportional to 105,834.42, 146,051.51 and 63,417.51

Step by Step Solution

1. Step 1: Write the proportion equation
   105,834.42 : 146,051.51 = 63,417.51 : x
2. Step 2: Convert to fraction form
   105,834.42/146,051.51 = 63,417.51/x
3. Step 3: Cross multiply
   105,834.42x = 146,051.51 × 63,417.51
4. Step 4: Simplify right side
   105,834.42x = 9,262,222,778.85
5. Step 5: Solve for x
   x = 9,262,222,778.85/105,834.42
6. Step 6: Final answer
   x = 87,516.17