Finding the Fourth Proportional to 9,670.78, 14,487.18 and 5,498.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,670.78 : 14,487.18 = 5,498.29 : x
2. Step 2: Convert to fraction form
   9,670.78/14,487.18 = 5,498.29/x
3. Step 3: Cross multiply
   9,670.78x = 14,487.18 × 5,498.29
4. Step 4: Simplify right side
   9,670.78x = 79,654,716.92
5. Step 5: Solve for x
   x = 79,654,716.92/9,670.78
6. Step 6: Final answer
   x = 8,236.64