Finding the Fourth Proportional to 209,667.68, 314,423.76 and 113,585.84

Step by Step Solution

1. Step 1: Write the proportion equation
   209,667.68 : 314,423.76 = 113,585.84 : x
2. Step 2: Convert to fraction form
   209,667.68/314,423.76 = 113,585.84/x
3. Step 3: Cross multiply
   209,667.68x = 314,423.76 × 113,585.84
4. Step 4: Simplify right side
   209,667.68x = 35,714,086,895.56
5. Step 5: Solve for x
   x = 35,714,086,895.56/209,667.68
6. Step 6: Final answer
   x = 170,336.63