Finding the Fourth Proportional to 6,990.10, 10,467.86 and 4,059.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,990.10 : 10,467.86 = 4,059.52 : x
2. Step 2: Convert to fraction form
   6,990.10/10,467.86 = 4,059.52/x
3. Step 3: Cross multiply
   6,990.10x = 10,467.86 × 4,059.52
4. Step 4: Simplify right side
   6,990.10x = 42,494,487.03
5. Step 5: Solve for x
   x = 42,494,487.03/6,990.10
6. Step 6: Final answer
   x = 6,079.24