Finding the Fourth Proportional to 129,730.96, 194,535.96 and 67,384.72

Step by Step Solution

1. Step 1: Write the proportion equation
   129,730.96 : 194,535.96 = 67,384.72 : x
2. Step 2: Convert to fraction form
   129,730.96/194,535.96 = 67,384.72/x
3. Step 3: Cross multiply
   129,730.96x = 194,535.96 × 67,384.72
4. Step 4: Simplify right side
   129,730.96x = 13,108,751,194.53
5. Step 5: Solve for x
   x = 13,108,751,194.53/129,730.96
6. Step 6: Final answer
   x = 101,045.67