Finding the Fourth Proportional to 10,191.42, 15,292.47 and 7,403.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.42 : 15,292.47 = 7,403.29 : x
2. Step 2: Convert to fraction form
   10,191.42/15,292.47 = 7,403.29/x
3. Step 3: Cross multiply
   10,191.42x = 15,292.47 × 7,403.29
4. Step 4: Simplify right side
   10,191.42x = 113,214,513.76
5. Step 5: Solve for x
   x = 113,214,513.76/10,191.42
6. Step 6: Final answer
   x = 11,108.81