Finding the Fourth Proportional to 7,820.77, 10,792.72 and 4,283.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,820.77 : 10,792.72 = 4,283.98 : x
2. Step 2: Convert to fraction form
   7,820.77/10,792.72 = 4,283.98/x
3. Step 3: Cross multiply
   7,820.77x = 10,792.72 × 4,283.98
4. Step 4: Simplify right side
   7,820.77x = 46,235,796.63
5. Step 5: Solve for x
   x = 46,235,796.63/7,820.77
6. Step 6: Final answer
   x = 5,911.92