Finding the Fourth Proportional to 123,803.43, 185,703.31 and 30,309.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,803.43 : 185,703.31 = 30,309.18 : x
2. Step 2: Convert to fraction form
   123,803.43/185,703.31 = 30,309.18/x
3. Step 3: Cross multiply
   123,803.43x = 185,703.31 × 30,309.18
4. Step 4: Simplify right side
   123,803.43x = 5,628,515,049.39
5. Step 5: Solve for x
   x = 5,628,515,049.39/123,803.43
6. Step 6: Final answer
   x = 45,463.32