Finding the Fourth Proportional to 123,737.33, 170,669.31 and 113,561.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,737.33 : 170,669.31 = 113,561.17 : x
2. Step 2: Convert to fraction form
   123,737.33/170,669.31 = 113,561.17/x
3. Step 3: Cross multiply
   123,737.33x = 170,669.31 × 113,561.17
4. Step 4: Simplify right side
   123,737.33x = 19,381,406,526.69
5. Step 5: Solve for x
   x = 19,381,406,526.69/123,737.33
6. Step 6: Final answer
   x = 156,633.46