Finding the Fourth Proportional to 123,845.61, 170,950.55 and 73,544.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,845.61 : 170,950.55 = 73,544.25 : x
2. Step 2: Convert to fraction form
   123,845.61/170,950.55 = 73,544.25/x
3. Step 3: Cross multiply
   123,845.61x = 170,950.55 × 73,544.25
4. Step 4: Simplify right side
   123,845.61x = 12,572,429,619.12
5. Step 5: Solve for x
   x = 12,572,429,619.12/123,845.61
6. Step 6: Final answer
   x = 101,516.96