Finding the Fourth Proportional to 9,263.58, 12,784.06 and 5,284.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,263.58 : 12,784.06 = 5,284.05 : x
2. Step 2: Convert to fraction form
   9,263.58/12,784.06 = 5,284.05/x
3. Step 3: Cross multiply
   9,263.58x = 12,784.06 × 5,284.05
4. Step 4: Simplify right side
   9,263.58x = 67,551,612.24
5. Step 5: Solve for x
   x = 67,551,612.24/9,263.58
6. Step 6: Final answer
   x = 7,292.17