Finding the Fourth Proportional to 9,341.80, 12,892.89 and 5,364.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.80 : 12,892.89 = 5,364.34 : x
2. Step 2: Convert to fraction form
   9,341.80/12,892.89 = 5,364.34/x
3. Step 3: Cross multiply
   9,341.80x = 12,892.89 × 5,364.34
4. Step 4: Simplify right side
   9,341.80x = 69,161,845.54
5. Step 5: Solve for x
   x = 69,161,845.54/9,341.80
6. Step 6: Final answer
   x = 7,403.48