Finding the Fourth Proportional to 212,995.15, 293,928.55 and 117,501.82

Step by Step Solution

1. Step 1: Write the proportion equation
   212,995.15 : 293,928.55 = 117,501.82 : x
2. Step 2: Convert to fraction form
   212,995.15/293,928.55 = 117,501.82/x
3. Step 3: Cross multiply
   212,995.15x = 293,928.55 × 117,501.82
4. Step 4: Simplify right side
   212,995.15x = 34,537,139,574.96
5. Step 5: Solve for x
   x = 34,537,139,574.96/212,995.15
6. Step 6: Final answer
   x = 162,149.89