Finding the Fourth Proportional to 10,893.61, 14,935.27 and 10,696.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,893.61 : 14,935.27 = 10,696.78 : x
2. Step 2: Convert to fraction form
   10,893.61/14,935.27 = 10,696.78/x
3. Step 3: Cross multiply
   10,893.61x = 14,935.27 × 10,696.78
4. Step 4: Simplify right side
   10,893.61x = 159,759,297.43
5. Step 5: Solve for x
   x = 159,759,297.43/10,893.61
6. Step 6: Final answer
   x = 14,665.41