Finding the Fourth Proportional to 9,187.47, 12,681.59 and 5,410.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,187.47 : 12,681.59 = 5,410.35 : x
2. Step 2: Convert to fraction form
   9,187.47/12,681.59 = 5,410.35/x
3. Step 3: Cross multiply
   9,187.47x = 12,681.59 × 5,410.35
4. Step 4: Simplify right side
   9,187.47x = 68,611,813.40
5. Step 5: Solve for x
   x = 68,611,813.40/9,187.47
6. Step 6: Final answer
   x = 7,467.98