Finding the Fourth Proportional to 9,109.60, 12,574.39 and 5,333.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.60 : 12,574.39 = 5,333.98 : x
2. Step 2: Convert to fraction form
   9,109.60/12,574.39 = 5,333.98/x
3. Step 3: Cross multiply
   9,109.60x = 12,574.39 × 5,333.98
4. Step 4: Simplify right side
   9,109.60x = 67,071,498.21
5. Step 5: Solve for x
   x = 67,071,498.21/9,109.60
6. Step 6: Final answer
   x = 7,362.73