Finding the Fourth Proportional to 209,824.83, 314,830.29 and 109,961.31

Step by Step Solution

1. Step 1: Write the proportion equation
   209,824.83 : 314,830.29 = 109,961.31 : x
2. Step 2: Convert to fraction form
   209,824.83/314,830.29 = 109,961.31/x
3. Step 3: Cross multiply
   209,824.83x = 314,830.29 × 109,961.31
4. Step 4: Simplify right side
   209,824.83x = 34,619,151,116.08
5. Step 5: Solve for x
   x = 34,619,151,116.08/209,824.83
6. Step 6: Final answer
   x = 164,990.73