Finding the Fourth Proportional to 9,010.79, 12,434.90 and 5,031.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,010.79 : 12,434.90 = 5,031.91 : x
2. Step 2: Convert to fraction form
   9,010.79/12,434.90 = 5,031.91/x
3. Step 3: Cross multiply
   9,010.79x = 12,434.90 × 5,031.91
4. Step 4: Simplify right side
   9,010.79x = 62,571,297.66
5. Step 5: Solve for x
   x = 62,571,297.66/9,010.79
6. Step 6: Final answer
   x = 6,944.04