Finding the Fourth Proportional to 9,113.35, 12,577.31 and 5,336.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.35 : 12,577.31 = 5,336.28 : x
2. Step 2: Convert to fraction form
   9,113.35/12,577.31 = 5,336.28/x
3. Step 3: Cross multiply
   9,113.35x = 12,577.31 × 5,336.28
4. Step 4: Simplify right side
   9,113.35x = 67,116,061.15
5. Step 5: Solve for x
   x = 67,116,061.15/9,113.35
6. Step 6: Final answer
   x = 7,364.59