Finding the Fourth Proportional to 119,789.82, 165,307.71 and 66,079.86

Step by Step Solution

1. Step 1: Write the proportion equation
   119,789.82 : 165,307.71 = 66,079.86 : x
2. Step 2: Convert to fraction form
   119,789.82/165,307.71 = 66,079.86/x
3. Step 3: Cross multiply
   119,789.82x = 165,307.71 × 66,079.86
4. Step 4: Simplify right side
   119,789.82x = 10,923,510,333.72
5. Step 5: Solve for x
   x = 10,923,510,333.72/119,789.82
6. Step 6: Final answer
   x = 91,188.97