Finding the Fourth Proportional to 6,999.94, 10,499.99 and 2,996.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,999.94 : 10,499.99 = 2,996.78 : x
2. Step 2: Convert to fraction form
   6,999.94/10,499.99 = 2,996.78/x
3. Step 3: Cross multiply
   6,999.94x = 10,499.99 × 2,996.78
4. Step 4: Simplify right side
   6,999.94x = 31,466,171.30
5. Step 5: Solve for x
   x = 31,466,171.30/6,999.94
6. Step 6: Final answer
   x = 4,495.21