Finding the Fourth Proportional to 10,472.37, 14,435.06 and 9,613.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,472.37 : 14,435.06 = 9,613.98 : x
2. Step 2: Convert to fraction form
   10,472.37/14,435.06 = 9,613.98/x
3. Step 3: Cross multiply
   10,472.37x = 14,435.06 × 9,613.98
4. Step 4: Simplify right side
   10,472.37x = 138,778,330.07
5. Step 5: Solve for x
   x = 138,778,330.07/10,472.37
6. Step 6: Final answer
   x = 13,251.86