Finding the Fourth Proportional to 9,994.15, 13,796.37 and 6,459.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.15 : 13,796.37 = 6,459.10 : x
2. Step 2: Convert to fraction form
   9,994.15/13,796.37 = 6,459.10/x
3. Step 3: Cross multiply
   9,994.15x = 13,796.37 × 6,459.10
4. Step 4: Simplify right side
   9,994.15x = 89,112,133.47
5. Step 5: Solve for x
   x = 89,112,133.47/9,994.15
6. Step 6: Final answer
   x = 8,916.43