Finding the Fourth Proportional to 70,396.38, 105,584.82 and 17,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,396.38 : 105,584.82 = 17,802.72 : x
2. Step 2: Convert to fraction form
   70,396.38/105,584.82 = 17,802.72/x
3. Step 3: Cross multiply
   70,396.38x = 105,584.82 × 17,802.72
4. Step 4: Simplify right side
   70,396.38x = 1,879,696,986.71
5. Step 5: Solve for x
   x = 1,879,696,986.71/70,396.38
6. Step 6: Final answer
   x = 26,701.61