Finding the Fourth Proportional to 103,811.34, 143,110.35 and 73,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,811.34 : 143,110.35 = 73,951.50 : x
2. Step 2: Convert to fraction form
   103,811.34/143,110.35 = 73,951.50/x
3. Step 3: Cross multiply
   103,811.34x = 143,110.35 × 73,951.50
4. Step 4: Simplify right side
   103,811.34x = 10,583,225,048.03
5. Step 5: Solve for x
   x = 10,583,225,048.03/103,811.34
6. Step 6: Final answer
   x = 101,946.71