Finding the Fourth Proportional to 209,736.52, 314,018.50 and 113,328.32

Step by Step Solution

1. Step 1: Write the proportion equation
   209,736.52 : 314,018.50 = 113,328.32 : x
2. Step 2: Convert to fraction form
   209,736.52/314,018.50 = 113,328.32/x
3. Step 3: Cross multiply
   209,736.52x = 314,018.50 × 113,328.32
4. Step 4: Simplify right side
   209,736.52x = 35,587,186,917.19
5. Step 5: Solve for x
   x = 35,587,186,917.19/209,736.52
6. Step 6: Final answer
   x = 169,675.69