Finding the Fourth Proportional to 323,123.40, 484,887.18 and 123,460.80

Step by Step Solution

1. Step 1: Write the proportion equation
   323,123.40 : 484,887.18 = 123,460.80 : x
2. Step 2: Convert to fraction form
   323,123.40/484,887.18 = 123,460.80/x
3. Step 3: Cross multiply
   323,123.40x = 484,887.18 × 123,460.80
4. Step 4: Simplify right side
   323,123.40x = 59,864,559,152.54
5. Step 5: Solve for x
   x = 59,864,559,152.54/323,123.40
6. Step 6: Final answer
   x = 185,268.41