Finding the Fourth Proportional to 103,815.84, 143,116.56 and 73,956

Step by Step Solution

1. Step 1: Write the proportion equation
   103,815.84 : 143,116.56 = 73,956 : x
2. Step 2: Convert to fraction form
   103,815.84/143,116.56 = 73,956/x
3. Step 3: Cross multiply
   103,815.84x = 143,116.56 × 73,956
4. Step 4: Simplify right side
   103,815.84x = 10,584,328,311.36
5. Step 5: Solve for x
   x = 10,584,328,311.36/103,815.84
6. Step 6: Final answer
   x = 101,952.92