Finding the Fourth Proportional to 9,031.45, 12,462.90 and 5,052.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.45 : 12,462.90 = 5,052.88 : x
2. Step 2: Convert to fraction form
   9,031.45/12,462.90 = 5,052.88/x
3. Step 3: Cross multiply
   9,031.45x = 12,462.90 × 5,052.88
4. Step 4: Simplify right side
   9,031.45x = 62,973,538.15
5. Step 5: Solve for x
   x = 62,973,538.15/9,031.45
6. Step 6: Final answer
   x = 6,972.69