Finding the Fourth Proportional to 10,938.40, 15,096.72 and 6,955.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.40 : 15,096.72 = 6,955.36 : x
2. Step 2: Convert to fraction form
   10,938.40/15,096.72 = 6,955.36/x
3. Step 3: Cross multiply
   10,938.40x = 15,096.72 × 6,955.36
4. Step 4: Simplify right side
   10,938.40x = 105,003,122.42
5. Step 5: Solve for x
   x = 105,003,122.42/10,938.40
6. Step 6: Final answer
   x = 9,599.50