Finding the Fourth Proportional to 11,211.35, 15,463.69 and 7,378.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,211.35 : 15,463.69 = 7,378.34 : x
2. Step 2: Convert to fraction form
   11,211.35/15,463.69 = 7,378.34/x
3. Step 3: Cross multiply
   11,211.35x = 15,463.69 × 7,378.34
4. Step 4: Simplify right side
   11,211.35x = 114,096,266.71
5. Step 5: Solve for x
   x = 114,096,266.71/11,211.35
6. Step 6: Final answer
   x = 10,176.86