Finding the Fourth Proportional to 119,442.58, 164,834.67 and 65,731.48

Step by Step Solution

1. Step 1: Write the proportion equation
   119,442.58 : 164,834.67 = 65,731.48 : x
2. Step 2: Convert to fraction form
   119,442.58/164,834.67 = 65,731.48/x
3. Step 3: Cross multiply
   119,442.58x = 164,834.67 × 65,731.48
4. Step 4: Simplify right side
   119,442.58x = 10,834,826,814.41
5. Step 5: Solve for x
   x = 10,834,826,814.41/119,442.58
6. Step 6: Final answer
   x = 90,711.59