Finding the Fourth Proportional to 7,411.86, 11,111.98 and 3,712.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,411.86 : 11,111.98 = 3,712.23 : x
2. Step 2: Convert to fraction form
   7,411.86/11,111.98 = 3,712.23/x
3. Step 3: Cross multiply
   7,411.86x = 11,111.98 × 3,712.23
4. Step 4: Simplify right side
   7,411.86x = 41,250,225.52
5. Step 5: Solve for x
   x = 41,250,225.52/7,411.86
6. Step 6: Final answer
   x = 5,565.44