Finding the Fourth Proportional to 223,715.05, 308,726.82 and 123,113.05

Step by Step Solution

1. Step 1: Write the proportion equation
   223,715.05 : 308,726.82 = 123,113.05 : x
2. Step 2: Convert to fraction form
   223,715.05/308,726.82 = 123,113.05/x
3. Step 3: Cross multiply
   223,715.05x = 308,726.82 × 123,113.05
4. Step 4: Simplify right side
   223,715.05x = 38,008,300,737.14
5. Step 5: Solve for x
   x = 38,008,300,737.14/223,715.05
6. Step 6: Final answer
   x = 169,896.04