Finding the Fourth Proportional to 12,848.05, 19,267.47 and 5,453.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,848.05 : 19,267.47 = 5,453.02 : x
2. Step 2: Convert to fraction form
   12,848.05/19,267.47 = 5,453.02/x
3. Step 3: Cross multiply
   12,848.05x = 19,267.47 × 5,453.02
4. Step 4: Simplify right side
   12,848.05x = 105,065,899.26
5. Step 5: Solve for x
   x = 105,065,899.26/12,848.05
6. Step 6: Final answer
   x = 8,177.58