Finding the Fourth Proportional to 9,320.53, 12,862.77 and 5,784.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.53 : 12,862.77 = 5,784.88 : x
2. Step 2: Convert to fraction form
   9,320.53/12,862.77 = 5,784.88/x
3. Step 3: Cross multiply
   9,320.53x = 12,862.77 × 5,784.88
4. Step 4: Simplify right side
   9,320.53x = 74,409,580.92
5. Step 5: Solve for x
   x = 74,409,580.92/9,320.53
6. Step 6: Final answer
   x = 7,983.41