Finding the Fourth Proportional to 6,892.76, 10,313.64 and 4,120.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,892.76 : 10,313.64 = 4,120.96 : x
2. Step 2: Convert to fraction form
   6,892.76/10,313.64 = 4,120.96/x
3. Step 3: Cross multiply
   6,892.76x = 10,313.64 × 4,120.96
4. Step 4: Simplify right side
   6,892.76x = 42,502,097.89
5. Step 5: Solve for x
   x = 42,502,097.89/6,892.76
6. Step 6: Final answer
   x = 6,166.19