Finding the Fourth Proportional to 185,667.36, 256,225.60 and 100,784.42

Step by Step Solution

1. Step 1: Write the proportion equation
   185,667.36 : 256,225.60 = 100,784.42 : x
2. Step 2: Convert to fraction form
   185,667.36/256,225.60 = 100,784.42/x
3. Step 3: Cross multiply
   185,667.36x = 256,225.60 × 100,784.42
4. Step 4: Simplify right side
   185,667.36x = 25,823,548,485.15
5. Step 5: Solve for x
   x = 25,823,548,485.15/185,667.36
6. Step 6: Final answer
   x = 139,085.02