Finding the Fourth Proportional to 123,953.22, 171,056.61 and 73,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,953.22 : 171,056.61 = 73,642.50 : x
2. Step 2: Convert to fraction form
   123,953.22/171,056.61 = 73,642.50/x
3. Step 3: Cross multiply
   123,953.22x = 171,056.61 × 73,642.50
4. Step 4: Simplify right side
   123,953.22x = 12,597,036,401.93
5. Step 5: Solve for x
   x = 12,597,036,401.93/123,953.22
6. Step 6: Final answer
   x = 101,627.34