Finding the Fourth Proportional to 9,345.93, 12,896.80 and 5,364.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.93 : 12,896.80 = 5,364.24 : x
2. Step 2: Convert to fraction form
   9,345.93/12,896.80 = 5,364.24/x
3. Step 3: Cross multiply
   9,345.93x = 12,896.80 × 5,364.24
4. Step 4: Simplify right side
   9,345.93x = 69,181,503.61
5. Step 5: Solve for x
   x = 69,181,503.61/9,345.93
6. Step 6: Final answer
   x = 7,402.31