Finding the Fourth Proportional to 9,236.56, 12,746.76 and 5,045.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,236.56 : 12,746.76 = 5,045.20 : x
2. Step 2: Convert to fraction form
   9,236.56/12,746.76 = 5,045.20/x
3. Step 3: Cross multiply
   9,236.56x = 12,746.76 × 5,045.20
4. Step 4: Simplify right side
   9,236.56x = 64,309,953.55
5. Step 5: Solve for x
   x = 64,309,953.55/9,236.56
6. Step 6: Final answer
   x = 6,962.54