Finding the Fourth Proportional to 3,792.47, 5,233.59 and 2,113.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.47 : 5,233.59 = 2,113.86 : x
2. Step 2: Convert to fraction form
   3,792.47/5,233.59 = 2,113.86/x
3. Step 3: Cross multiply
   3,792.47x = 5,233.59 × 2,113.86
4. Step 4: Simplify right side
   3,792.47x = 11,063,076.56
5. Step 5: Solve for x
   x = 11,063,076.56/3,792.47
6. Step 6: Final answer
   x = 2,917.12