Finding the Fourth Proportional to 116,289.32, 160,477.32 and 65,302.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,289.32 : 160,477.32 = 65,302.52 : x
2. Step 2: Convert to fraction form
   116,289.32/160,477.32 = 65,302.52/x
3. Step 3: Cross multiply
   116,289.32x = 160,477.32 × 65,302.52
4. Step 4: Simplify right side
   116,289.32x = 10,479,573,398.85
5. Step 5: Solve for x
   x = 10,479,573,398.85/116,289.32
6. Step 6: Final answer
   x = 90,116.39