Finding the Fourth Proportional to 8,381.86, 12,577.39 and 5,097.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,381.86 : 12,577.39 = 5,097.26 : x
2. Step 2: Convert to fraction form
   8,381.86/12,577.39 = 5,097.26/x
3. Step 3: Cross multiply
   8,381.86x = 12,577.39 × 5,097.26
4. Step 4: Simplify right side
   8,381.86x = 64,110,151.32
5. Step 5: Solve for x
   x = 64,110,151.32/8,381.86
6. Step 6: Final answer
   x = 7,648.68