Finding the Fourth Proportional to 219,495.57, 329,274.72 and 67,705.42

Step by Step Solution

1. Step 1: Write the proportion equation
   219,495.57 : 329,274.72 = 67,705.42 : x
2. Step 2: Convert to fraction form
   219,495.57/329,274.72 = 67,705.42/x
3. Step 3: Cross multiply
   219,495.57x = 329,274.72 × 67,705.42
4. Step 4: Simplify right side
   219,495.57x = 22,293,683,007.19
5. Step 5: Solve for x
   x = 22,293,683,007.19/219,495.57
6. Step 6: Final answer
   x = 101,567.80