Finding the Fourth Proportional to 390,004.04, 585,093.72 and 123,773.24

Step by Step Solution

1. Step 1: Write the proportion equation
   390,004.04 : 585,093.72 = 123,773.24 : x
2. Step 2: Convert to fraction form
   390,004.04/585,093.72 = 123,773.24/x
3. Step 3: Cross multiply
   390,004.04x = 585,093.72 × 123,773.24
4. Step 4: Simplify right side
   390,004.04x = 72,418,945,428.05
5. Step 5: Solve for x
   x = 72,418,945,428.05/390,004.04
6. Step 6: Final answer
   x = 185,687.68