Finding the Fourth Proportional to 152,738.10, 229,107.15 and 133,055.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,738.10 : 229,107.15 = 133,055.10 : x
2. Step 2: Convert to fraction form
   152,738.10/229,107.15 = 133,055.10/x
3. Step 3: Cross multiply
   152,738.10x = 229,107.15 × 133,055.10
4. Step 4: Simplify right side
   152,738.10x = 30,483,874,753.97
5. Step 5: Solve for x
   x = 30,483,874,753.97/152,738.10
6. Step 6: Final answer
   x = 199,582.65