Finding the Fourth Proportional to 6,987.74, 10,477.83 and 3,470.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987.74 : 10,477.83 = 3,470.03 : x
2. Step 2: Convert to fraction form
   6,987.74/10,477.83 = 3,470.03/x
3. Step 3: Cross multiply
   6,987.74x = 10,477.83 × 3,470.03
4. Step 4: Simplify right side
   6,987.74x = 36,358,384.43
5. Step 5: Solve for x
   x = 36,358,384.43/6,987.74
6. Step 6: Final answer
   x = 5,203.17