Finding the Fourth Proportional to 185,667.62, 256,221.09 and 100,784.69

Step by Step Solution

1. Step 1: Write the proportion equation
   185,667.62 : 256,221.09 = 100,784.69 : x
2. Step 2: Convert to fraction form
   185,667.62/256,221.09 = 100,784.69/x
3. Step 3: Cross multiply
   185,667.62x = 256,221.09 × 100,784.69
4. Step 4: Simplify right side
   185,667.62x = 25,823,161,846.01
5. Step 5: Solve for x
   x = 25,823,161,846.01/185,667.62
6. Step 6: Final answer
   x = 139,082.75