Finding the Fourth Proportional to 10,691.59, 16,030.59 and 9,377.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,691.59 : 16,030.59 = 9,377.98 : x
2. Step 2: Convert to fraction form
   10,691.59/16,030.59 = 9,377.98/x
3. Step 3: Cross multiply
   10,691.59x = 16,030.59 × 9,377.98
4. Step 4: Simplify right side
   10,691.59x = 150,334,552.41
5. Step 5: Solve for x
   x = 150,334,552.41/10,691.59
6. Step 6: Final answer
   x = 14,061.01