Finding the Fourth Proportional to 7,388.63, 10,196.31 and 4,245.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,388.63 : 10,196.31 = 4,245.42 : x
2. Step 2: Convert to fraction form
   7,388.63/10,196.31 = 4,245.42/x
3. Step 3: Cross multiply
   7,388.63x = 10,196.31 × 4,245.42
4. Step 4: Simplify right side
   7,388.63x = 43,287,618.40
5. Step 5: Solve for x
   x = 43,287,618.40/7,388.63
6. Step 6: Final answer
   x = 5,858.68