Finding the Fourth Proportional to 70,894.27, 105,949.72 and 66,797.29

Step by Step Solution

1. Step 1: Write the proportion equation
   70,894.27 : 105,949.72 = 66,797.29 : x
2. Step 2: Convert to fraction form
   70,894.27/105,949.72 = 66,797.29/x
3. Step 3: Cross multiply
   70,894.27x = 105,949.72 × 66,797.29
4. Step 4: Simplify right side
   70,894.27x = 7,077,154,172.26
5. Step 5: Solve for x
   x = 7,077,154,172.26/70,894.27
6. Step 6: Final answer
   x = 99,826.89