Finding the Fourth Proportional to 189,783.78, 285,025.59 and 150,592.74

Step by Step Solution

1. Step 1: Write the proportion equation
   189,783.78 : 285,025.59 = 150,592.74 : x
2. Step 2: Convert to fraction form
   189,783.78/285,025.59 = 150,592.74/x
3. Step 3: Cross multiply
   189,783.78x = 285,025.59 × 150,592.74
4. Step 4: Simplify right side
   189,783.78x = 42,922,784,568.22
5. Step 5: Solve for x
   x = 42,922,784,568.22/189,783.78
6. Step 6: Final answer
   x = 226,166.77