Finding the Fourth Proportional to 9,403.59, 12,971.80 and 5,994.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,403.59 : 12,971.80 = 5,994.27 : x
2. Step 2: Convert to fraction form
   9,403.59/12,971.80 = 5,994.27/x
3. Step 3: Cross multiply
   9,403.59x = 12,971.80 × 5,994.27
4. Step 4: Simplify right side
   9,403.59x = 77,756,471.59
5. Step 5: Solve for x
   x = 77,756,471.59/9,403.59
6. Step 6: Final answer
   x = 8,268.81