Finding the Fourth Proportional to 11,150.51, 15,389.87 and 7,373.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.51 : 15,389.87 = 7,373.88 : x
2. Step 2: Convert to fraction form
   11,150.51/15,389.87 = 7,373.88/x
3. Step 3: Cross multiply
   11,150.51x = 15,389.87 × 7,373.88
4. Step 4: Simplify right side
   11,150.51x = 113,483,017.73
5. Step 5: Solve for x
   x = 113,483,017.73/11,150.51
6. Step 6: Final answer
   x = 10,177.39