Finding the Fourth Proportional to 116,339.30, 160,565.59 and 71,043.54

Step by Step Solution

1. Step 1: Write the proportion equation
   116,339.30 : 160,565.59 = 71,043.54 : x
2. Step 2: Convert to fraction form
   116,339.30/160,565.59 = 71,043.54/x
3. Step 3: Cross multiply
   116,339.30x = 160,565.59 × 71,043.54
4. Step 4: Simplify right side
   116,339.30x = 11,407,147,915.79
5. Step 5: Solve for x
   x = 11,407,147,915.79/116,339.30
6. Step 6: Final answer
   x = 98,050.68