Finding the Fourth Proportional to 9,031.51, 12,463.95 and 5,447.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.51 : 12,463.95 = 5,447.59 : x
2. Step 2: Convert to fraction form
   9,031.51/12,463.95 = 5,447.59/x
3. Step 3: Cross multiply
   9,031.51x = 12,463.95 × 5,447.59
4. Step 4: Simplify right side
   9,031.51x = 67,898,489.38
5. Step 5: Solve for x
   x = 67,898,489.38/9,031.51
6. Step 6: Final answer
   x = 7,517.96