Finding the Fourth Proportional to 10,889.50, 16,333.34 and 3,491.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.50 : 16,333.34 = 3,491.98 : x
2. Step 2: Convert to fraction form
   10,889.50/16,333.34 = 3,491.98/x
3. Step 3: Cross multiply
   10,889.50x = 16,333.34 × 3,491.98
4. Step 4: Simplify right side
   10,889.50x = 57,035,696.61
5. Step 5: Solve for x
   x = 57,035,696.61/10,889.50
6. Step 6: Final answer
   x = 5,237.68