Finding the Fourth Proportional to 632,123.04, 948,185.55 and 258,146.04

Step by Step Solution

1. Step 1: Write the proportion equation
   632,123.04 : 948,185.55 = 258,146.04 : x
2. Step 2: Convert to fraction form
   632,123.04/948,185.55 = 258,146.04/x
3. Step 3: Cross multiply
   632,123.04x = 948,185.55 × 258,146.04
4. Step 4: Simplify right side
   632,123.04x = 244,770,344,917.72
5. Step 5: Solve for x
   x = 244,770,344,917.72/632,123.04
6. Step 6: Final answer
   x = 387,219.46