Finding the Fourth Proportional to 6,900.03, 9,517.71 and 4,210.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.03 : 9,517.71 = 4,210.02 : x
2. Step 2: Convert to fraction form
   6,900.03/9,517.71 = 4,210.02/x
3. Step 3: Cross multiply
   6,900.03x = 9,517.71 × 4,210.02
4. Step 4: Simplify right side
   6,900.03x = 40,069,749.45
5. Step 5: Solve for x
   x = 40,069,749.45/6,900.03
6. Step 6: Final answer
   x = 5,807.18