Finding the Fourth Proportional to 10,419.42, 15,614.54 and 7,483.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.42 : 15,614.54 = 7,483.98 : x
2. Step 2: Convert to fraction form
   10,419.42/15,614.54 = 7,483.98/x
3. Step 3: Cross multiply
   10,419.42x = 15,614.54 × 7,483.98
4. Step 4: Simplify right side
   10,419.42x = 116,858,905.07
5. Step 5: Solve for x
   x = 116,858,905.07/10,419.42
6. Step 6: Final answer
   x = 11,215.49