Finding the Fourth Proportional to 209,827.83, 314,834.79 and 109,964.31

Step by Step Solution

1. Step 1: Write the proportion equation
   209,827.83 : 314,834.79 = 109,964.31 : x
2. Step 2: Convert to fraction form
   209,827.83/314,834.79 = 109,964.31/x
3. Step 3: Cross multiply
   209,827.83x = 314,834.79 × 109,964.31
4. Step 4: Simplify right side
   209,827.83x = 34,620,590,446.34
5. Step 5: Solve for x
   x = 34,620,590,446.34/209,827.83
6. Step 6: Final answer
   x = 164,995.23