Finding the Fourth Proportional to 9,046.63, 12,485.58 and 5,270.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046.63 : 12,485.58 = 5,270.98 : x
2. Step 2: Convert to fraction form
   9,046.63/12,485.58 = 5,270.98/x
3. Step 3: Cross multiply
   9,046.63x = 12,485.58 × 5,270.98
4. Step 4: Simplify right side
   9,046.63x = 65,811,268.74
5. Step 5: Solve for x
   x = 65,811,268.74/9,046.63
6. Step 6: Final answer
   x = 7,274.67