Finding the Fourth Proportional to 189,614.72, 284,505.05 and 89,846.12

Step by Step Solution

1. Step 1: Write the proportion equation
   189,614.72 : 284,505.05 = 89,846.12 : x
2. Step 2: Convert to fraction form
   189,614.72/284,505.05 = 89,846.12/x
3. Step 3: Cross multiply
   189,614.72x = 284,505.05 × 89,846.12
4. Step 4: Simplify right side
   189,614.72x = 25,561,673,665.00
5. Step 5: Solve for x
   x = 25,561,673,665.00/189,614.72
6. Step 6: Final answer
   x = 134,808.49