Finding the Fourth Proportional to 189,944.34, 262,122.69 and 109,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   189,944.34 : 262,122.69 = 109,342.50 : x
2. Step 2: Convert to fraction form
   189,944.34/262,122.69 = 109,342.50/x
3. Step 3: Cross multiply
   189,944.34x = 262,122.69 × 109,342.50
4. Step 4: Simplify right side
   189,944.34x = 28,661,150,231.33
5. Step 5: Solve for x
   x = 28,661,150,231.33/189,944.34
6. Step 6: Final answer
   x = 150,892.36