Finding the Fourth Proportional to 10,365.40, 14,303.96 and 5,649.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,365.40 : 14,303.96 = 5,649.72 : x
2. Step 2: Convert to fraction form
   10,365.40/14,303.96 = 5,649.72/x
3. Step 3: Cross multiply
   10,365.40x = 14,303.96 × 5,649.72
4. Step 4: Simplify right side
   10,365.40x = 80,813,368.89
5. Step 5: Solve for x
   x = 80,813,368.89/10,365.40
6. Step 6: Final answer
   x = 7,796.45