Finding the Fourth Proportional to 9,451.86, 13,043.61 and 5,203.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.86 : 13,043.61 = 5,203.35 : x
2. Step 2: Convert to fraction form
   9,451.86/13,043.61 = 5,203.35/x
3. Step 3: Cross multiply
   9,451.86x = 13,043.61 × 5,203.35
4. Step 4: Simplify right side
   9,451.86x = 67,870,419.18
5. Step 5: Solve for x
   x = 67,870,419.18/9,451.86
6. Step 6: Final answer
   x = 7,180.64