Finding the Fourth Proportional to 9,245.06, 12,758.17 and 5,053.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,245.06 : 12,758.17 = 5,053.31 : x
2. Step 2: Convert to fraction form
   9,245.06/12,758.17 = 5,053.31/x
3. Step 3: Cross multiply
   9,245.06x = 12,758.17 × 5,053.31
4. Step 4: Simplify right side
   9,245.06x = 64,470,988.04
5. Step 5: Solve for x
   x = 64,470,988.04/9,245.06
6. Step 6: Final answer
   x = 6,973.56