Finding the Fourth Proportional to 73,706.50, 101,714.88 and 40,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,706.50 : 101,714.88 = 40,172.50 : x
2. Step 2: Convert to fraction form
   73,706.50/101,714.88 = 40,172.50/x
3. Step 3: Cross multiply
   73,706.50x = 101,714.88 × 40,172.50
4. Step 4: Simplify right side
   73,706.50x = 4,086,141,016.80
5. Step 5: Solve for x
   x = 4,086,141,016.80/73,706.50
6. Step 6: Final answer
   x = 55,438.00