Finding the Fourth Proportional to 185,550.32, 256,059.96 and 100,667.18

Step by Step Solution

1. Step 1: Write the proportion equation
   185,550.32 : 256,059.96 = 100,667.18 : x
2. Step 2: Convert to fraction form
   185,550.32/256,059.96 = 100,667.18/x
3. Step 3: Cross multiply
   185,550.32x = 256,059.96 × 100,667.18
4. Step 4: Simplify right side
   185,550.32x = 25,776,834,084.11
5. Step 5: Solve for x
   x = 25,776,834,084.11/185,550.32
6. Step 6: Final answer
   x = 138,920.99