Finding the Fourth Proportional to 10,696.59, 14,740.48 and 7,706.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,696.59 : 14,740.48 = 7,706.78 : x
2. Step 2: Convert to fraction form
   10,696.59/14,740.48 = 7,706.78/x
3. Step 3: Cross multiply
   10,696.59x = 14,740.48 × 7,706.78
4. Step 4: Simplify right side
   10,696.59x = 113,601,627.66
5. Step 5: Solve for x
   x = 113,601,627.66/10,696.59
6. Step 6: Final answer
   x = 10,620.36