Finding the Fourth Proportional to 213,004.72, 293,947.55 and 117,511.39

Step by Step Solution

1. Step 1: Write the proportion equation
   213,004.72 : 293,947.55 = 117,511.39 : x
2. Step 2: Convert to fraction form
   213,004.72/293,947.55 = 117,511.39/x
3. Step 3: Cross multiply
   213,004.72x = 293,947.55 × 117,511.39
4. Step 4: Simplify right side
   213,004.72x = 34,542,185,187.59
5. Step 5: Solve for x
   x = 34,542,185,187.59/213,004.72
6. Step 6: Final answer
   x = 162,166.29