Finding the Fourth Proportional to 103,626.24, 143,009.46 and 61,183.86

Step by Step Solution

1. Step 1: Write the proportion equation
   103,626.24 : 143,009.46 = 61,183.86 : x
2. Step 2: Convert to fraction form
   103,626.24/143,009.46 = 61,183.86/x
3. Step 3: Cross multiply
   103,626.24x = 143,009.46 × 61,183.86
4. Step 4: Simplify right side
   103,626.24x = 8,749,870,779.32
5. Step 5: Solve for x
   x = 8,749,870,779.32/103,626.24
6. Step 6: Final answer
   x = 84,436.83