Finding the Fourth Proportional to 9,053.10, 12,493.23 and 5,074.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.10 : 12,493.23 = 5,074.21 : x
2. Step 2: Convert to fraction form
   9,053.10/12,493.23 = 5,074.21/x
3. Step 3: Cross multiply
   9,053.10x = 12,493.23 × 5,074.21
4. Step 4: Simplify right side
   9,053.10x = 63,393,241.37
5. Step 5: Solve for x
   x = 63,393,241.37/9,053.10
6. Step 6: Final answer
   x = 7,002.38