Finding the Fourth Proportional to 10,174.81, 15,242.42 and 7,501.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,174.81 : 15,242.42 = 7,501.53 : x
2. Step 2: Convert to fraction form
   10,174.81/15,242.42 = 7,501.53/x
3. Step 3: Cross multiply
   10,174.81x = 15,242.42 × 7,501.53
4. Step 4: Simplify right side
   10,174.81x = 114,341,433.39
5. Step 5: Solve for x
   x = 114,341,433.39/10,174.81
6. Step 6: Final answer
   x = 11,237.70