Finding the Fourth Proportional to 9,109.35, 12,573.69 and 5,333.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.35 : 12,573.69 = 5,333.40 : x
2. Step 2: Convert to fraction form
   9,109.35/12,573.69 = 5,333.40/x
3. Step 3: Cross multiply
   9,109.35x = 12,573.69 × 5,333.40
4. Step 4: Simplify right side
   9,109.35x = 67,060,518.25
5. Step 5: Solve for x
   x = 67,060,518.25/9,109.35
6. Step 6: Final answer
   x = 7,361.72