Finding the Fourth Proportional to 9,245.21, 12,758.34 and 5,053.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,245.21 : 12,758.34 = 5,053.46 : x
2. Step 2: Convert to fraction form
   9,245.21/12,758.34 = 5,053.46/x
3. Step 3: Cross multiply
   9,245.21x = 12,758.34 × 5,053.46
4. Step 4: Simplify right side
   9,245.21x = 64,473,760.86
5. Step 5: Solve for x
   x = 64,473,760.86/9,245.21
6. Step 6: Final answer
   x = 6,973.75