Finding the Fourth Proportional to 9,038.31, 12,472.92 and 5,263.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038.31 : 12,472.92 = 5,263.67 : x
2. Step 2: Convert to fraction form
   9,038.31/12,472.92 = 5,263.67/x
3. Step 3: Cross multiply
   9,038.31x = 12,472.92 × 5,263.67
4. Step 4: Simplify right side
   9,038.31x = 65,653,334.82
5. Step 5: Solve for x
   x = 65,653,334.82/9,038.31
6. Step 6: Final answer
   x = 7,263.89