Finding the Fourth Proportional to 107,329.32, 160,784.54 and 70,281

Step by Step Solution

1. Step 1: Write the proportion equation
   107,329.32 : 160,784.54 = 70,281 : x
2. Step 2: Convert to fraction form
   107,329.32/160,784.54 = 70,281/x
3. Step 3: Cross multiply
   107,329.32x = 160,784.54 × 70,281
4. Step 4: Simplify right side
   107,329.32x = 11,300,098,255.74
5. Step 5: Solve for x
   x = 11,300,098,255.74/107,329.32
6. Step 6: Final answer
   x = 105,284.36