Finding the Fourth Proportional to 103,815.34, 143,115.87 and 73,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,815.34 : 143,115.87 = 73,955.50 : x
2. Step 2: Convert to fraction form
   103,815.34/143,115.87 = 73,955.50/x
3. Step 3: Cross multiply
   103,815.34x = 143,115.87 × 73,955.50
4. Step 4: Simplify right side
   103,815.34x = 10,584,205,723.79
5. Step 5: Solve for x
   x = 10,584,205,723.79/103,815.34
6. Step 6: Final answer
   x = 101,952.23