Finding the Fourth Proportional to 10,699.49, 14,769.27 and 8,054.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,699.49 : 14,769.27 = 8,054.57 : x
2. Step 2: Convert to fraction form
   10,699.49/14,769.27 = 8,054.57/x
3. Step 3: Cross multiply
   10,699.49x = 14,769.27 × 8,054.57
4. Step 4: Simplify right side
   10,699.49x = 118,960,155.99
5. Step 5: Solve for x
   x = 118,960,155.99/10,699.49
6. Step 6: Final answer
   x = 11,118.30