Finding the Fourth Proportional to 10,431.05, 14,394.86 and 5,651.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.05 : 14,394.86 = 5,651.05 : x
2. Step 2: Convert to fraction form
   10,431.05/14,394.86 = 5,651.05/x
3. Step 3: Cross multiply
   10,431.05x = 14,394.86 × 5,651.05
4. Step 4: Simplify right side
   10,431.05x = 81,346,051.74
5. Step 5: Solve for x
   x = 81,346,051.74/10,431.05
6. Step 6: Final answer
   x = 7,798.45