Finding the Fourth Proportional to 123,736.33, 170,667.93 and 113,560.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,736.33 : 170,667.93 = 113,560.17 : x
2. Step 2: Convert to fraction form
   123,736.33/170,667.93 = 113,560.17/x
3. Step 3: Cross multiply
   123,736.33x = 170,667.93 × 113,560.17
4. Step 4: Simplify right side
   123,736.33x = 19,381,078,859.63
5. Step 5: Solve for x
   x = 19,381,078,859.63/123,736.33
6. Step 6: Final answer
   x = 156,632.08