Finding the Fourth Proportional to 11,820.52, 17,746.98 and 7,424.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.52 : 17,746.98 = 7,424.92 : x
2. Step 2: Convert to fraction form
   11,820.52/17,746.98 = 7,424.92/x
3. Step 3: Cross multiply
   11,820.52x = 17,746.98 × 7,424.92
4. Step 4: Simplify right side
   11,820.52x = 131,769,906.74
5. Step 5: Solve for x
   x = 131,769,906.74/11,820.52
6. Step 6: Final answer
   x = 11,147.56