Finding the Fourth Proportional to 212,404.82, 293,116.34 and 116,909.46

Step by Step Solution

1. Step 1: Write the proportion equation
   212,404.82 : 293,116.34 = 116,909.46 : x
2. Step 2: Convert to fraction form
   212,404.82/293,116.34 = 116,909.46/x
3. Step 3: Cross multiply
   212,404.82x = 293,116.34 × 116,909.46
4. Step 4: Simplify right side
   212,404.82x = 34,268,073,026.58
5. Step 5: Solve for x
   x = 34,268,073,026.58/212,404.82
6. Step 6: Final answer
   x = 161,333.78