Finding the Fourth Proportional to 116,038.32, 160,120.86 and 68,288.82

Step by Step Solution

1. Step 1: Write the proportion equation
   116,038.32 : 160,120.86 = 68,288.82 : x
2. Step 2: Convert to fraction form
   116,038.32/160,120.86 = 68,288.82/x
3. Step 3: Cross multiply
   116,038.32x = 160,120.86 × 68,288.82
4. Step 4: Simplify right side
   116,038.32x = 10,934,464,586.79
5. Step 5: Solve for x
   x = 10,934,464,586.79/116,038.32
6. Step 6: Final answer
   x = 94,231.50