Finding the Fourth Proportional to 151,724.30, 227,068.05 and 133,061.90

Step by Step Solution

1. Step 1: Write the proportion equation
   151,724.30 : 227,068.05 = 133,061.90 : x
2. Step 2: Convert to fraction form
   151,724.30/227,068.05 = 133,061.90/x
3. Step 3: Cross multiply
   151,724.30x = 227,068.05 × 133,061.90
4. Step 4: Simplify right side
   151,724.30x = 30,214,106,162.30
5. Step 5: Solve for x
   x = 30,214,106,162.30/151,724.30
6. Step 6: Final answer
   x = 199,138.21