Finding the Fourth Proportional to 123,912.56, 171,013.93 and 73,611.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,912.56 : 171,013.93 = 73,611.56 : x
2. Step 2: Convert to fraction form
   123,912.56/171,013.93 = 73,611.56/x
3. Step 3: Cross multiply
   123,912.56x = 171,013.93 × 73,611.56
4. Step 4: Simplify right side
   123,912.56x = 12,588,602,412.54
5. Step 5: Solve for x
   x = 12,588,602,412.54/123,912.56
6. Step 6: Final answer
   x = 101,592.62