Finding the Fourth Proportional to 189,667.92, 261,749.28 and 109,095.36

Step by Step Solution

1. Step 1: Write the proportion equation
   189,667.92 : 261,749.28 = 109,095.36 : x
2. Step 2: Convert to fraction form
   189,667.92/261,749.28 = 109,095.36/x
3. Step 3: Cross multiply
   189,667.92x = 261,749.28 × 109,095.36
4. Step 4: Simplify right side
   189,667.92x = 28,555,631,931.34
5. Step 5: Solve for x
   x = 28,555,631,931.34/189,667.92
6. Step 6: Final answer
   x = 150,555.94