Finding the Fourth Proportional to 116,377.62, 160,614.81 and 65,390.46

Step by Step Solution

1. Step 1: Write the proportion equation
   116,377.62 : 160,614.81 = 65,390.46 : x
2. Step 2: Convert to fraction form
   116,377.62/160,614.81 = 65,390.46/x
3. Step 3: Cross multiply
   116,377.62x = 160,614.81 × 65,390.46
4. Step 4: Simplify right side
   116,377.62x = 10,502,676,308.71
5. Step 5: Solve for x
   x = 10,502,676,308.71/116,377.62
6. Step 6: Final answer
   x = 90,246.53