Finding the Fourth Proportional to 402,185.94, 603,356.67 and 152,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,185.94 : 603,356.67 = 152,848.50 : x
2. Step 2: Convert to fraction form
   402,185.94/603,356.67 = 152,848.50/x
3. Step 3: Cross multiply
   402,185.94x = 603,356.67 × 152,848.50
4. Step 4: Simplify right side
   402,185.94x = 92,222,161,974.50
5. Step 5: Solve for x
   x = 92,222,161,974.50/402,185.94
6. Step 6: Final answer
   x = 229,302.30