Finding the Fourth Proportional to 10,840.02, 16,259.94 and 5,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,840.02 : 16,259.94 = 5,576.50 : x
2. Step 2: Convert to fraction form
   10,840.02/16,259.94 = 5,576.50/x
3. Step 3: Cross multiply
   10,840.02x = 16,259.94 × 5,576.50
4. Step 4: Simplify right side
   10,840.02x = 90,673,555.41
5. Step 5: Solve for x
   x = 90,673,555.41/10,840.02
6. Step 6: Final answer
   x = 8,364.70