Finding the Fourth Proportional to 165,443.37, 228,389.27 and 105,861.93

Step by Step Solution

1. Step 1: Write the proportion equation
   165,443.37 : 228,389.27 = 105,861.93 : x
2. Step 2: Convert to fraction form
   165,443.37/228,389.27 = 105,861.93/x
3. Step 3: Cross multiply
   165,443.37x = 228,389.27 × 105,861.93
4. Step 4: Simplify right side
   165,443.37x = 24,177,728,384.18
5. Step 5: Solve for x
   x = 24,177,728,384.18/165,443.37
6. Step 6: Final answer
   x = 146,139.00