Finding the Fourth Proportional to 123,426.05, 185,139.06 and 29,931.80

Step by Step Solution

1. Step 1: Write the proportion equation
   123,426.05 : 185,139.06 = 29,931.80 : x
2. Step 2: Convert to fraction form
   123,426.05/185,139.06 = 29,931.80/x
3. Step 3: Cross multiply
   123,426.05x = 185,139.06 × 29,931.80
4. Step 4: Simplify right side
   123,426.05x = 5,541,544,390.41
5. Step 5: Solve for x
   x = 5,541,544,390.41/123,426.05
6. Step 6: Final answer
   x = 44,897.69