Finding the Fourth Proportional to 10,740.61, 16,111.64 and 3,721.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,740.61 : 16,111.64 = 3,721.33 : x
2. Step 2: Convert to fraction form
   10,740.61/16,111.64 = 3,721.33/x
3. Step 3: Cross multiply
   10,740.61x = 16,111.64 × 3,721.33
4. Step 4: Simplify right side
   10,740.61x = 59,956,729.28
5. Step 5: Solve for x
   x = 59,956,729.28/10,740.61
6. Step 6: Final answer
   x = 5,582.25