Finding the Fourth Proportional to 9,263.34, 12,783.15 and 5,284.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,263.34 : 12,783.15 = 5,284.08 : x
2. Step 2: Convert to fraction form
   9,263.34/12,783.15 = 5,284.08/x
3. Step 3: Cross multiply
   9,263.34x = 12,783.15 × 5,284.08
4. Step 4: Simplify right side
   9,263.34x = 67,547,187.25
5. Step 5: Solve for x
   x = 67,547,187.25/9,263.34
6. Step 6: Final answer
   x = 7,291.88