Finding the Fourth Proportional to 9,677.98, 13,357.60 and 5,487.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,677.98 : 13,357.60 = 5,487.04 : x
2. Step 2: Convert to fraction form
   9,677.98/13,357.60 = 5,487.04/x
3. Step 3: Cross multiply
   9,677.98x = 13,357.60 × 5,487.04
4. Step 4: Simplify right side
   9,677.98x = 73,293,685.50
5. Step 5: Solve for x
   x = 73,293,685.50/9,677.98
6. Step 6: Final answer
   x = 7,573.24