Finding the Fourth Proportional to 9,263.34, 12,784.32 and 5,285.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,263.34 : 12,784.32 = 5,285.82 : x
2. Step 2: Convert to fraction form
   9,263.34/12,784.32 = 5,285.82/x
3. Step 3: Cross multiply
   9,263.34x = 12,784.32 × 5,285.82
4. Step 4: Simplify right side
   9,263.34x = 67,575,614.34
5. Step 5: Solve for x
   x = 67,575,614.34/9,263.34
6. Step 6: Final answer
   x = 7,294.95