Finding the Fourth Proportional to 69,256.71, 103,895.06 and 21,855.69

Step by Step Solution

1. Step 1: Write the proportion equation
   69,256.71 : 103,895.06 = 21,855.69 : x
2. Step 2: Convert to fraction form
   69,256.71/103,895.06 = 21,855.69/x
3. Step 3: Cross multiply
   69,256.71x = 103,895.06 × 21,855.69
4. Step 4: Simplify right side
   69,256.71x = 2,270,698,114.61
5. Step 5: Solve for x
   x = 2,270,698,114.61/69,256.71
6. Step 6: Final answer
   x = 32,786.69