Finding the Fourth Proportional to 123,667.32, 170,531.82 and 73,356.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,667.32 : 170,531.82 = 73,356.60 : x
2. Step 2: Convert to fraction form
   123,667.32/170,531.82 = 73,356.60/x
3. Step 3: Cross multiply
   123,667.32x = 170,531.82 × 73,356.60
4. Step 4: Simplify right side
   123,667.32x = 12,509,634,507.01
5. Step 5: Solve for x
   x = 12,509,634,507.01/123,667.32
6. Step 6: Final answer
   x = 101,155.54