Finding the Fourth Proportional to 9,427.77, 13,012.68 and 5,451.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,427.77 : 13,012.68 = 5,451.38 : x
2. Step 2: Convert to fraction form
   9,427.77/13,012.68 = 5,451.38/x
3. Step 3: Cross multiply
   9,427.77x = 13,012.68 × 5,451.38
4. Step 4: Simplify right side
   9,427.77x = 70,937,063.50
5. Step 5: Solve for x
   x = 70,937,063.50/9,427.77
6. Step 6: Final answer
   x = 7,524.27