Finding the Fourth Proportional to 11,380.03, 15,695.54 and 7,402.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.03 : 15,695.54 = 7,402.42 : x
2. Step 2: Convert to fraction form
   11,380.03/15,695.54 = 7,402.42/x
3. Step 3: Cross multiply
   11,380.03x = 15,695.54 × 7,402.42
4. Step 4: Simplify right side
   11,380.03x = 116,184,919.24
5. Step 5: Solve for x
   x = 116,184,919.24/11,380.03
6. Step 6: Final answer
   x = 10,209.54