Finding the Fourth Proportional to 6,455.56, 9,681.72 and 2,072.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,455.56 : 9,681.72 = 2,072.08 : x
2. Step 2: Convert to fraction form
   6,455.56/9,681.72 = 2,072.08/x
3. Step 3: Cross multiply
   6,455.56x = 9,681.72 × 2,072.08
4. Step 4: Simplify right side
   6,455.56x = 20,061,298.38
5. Step 5: Solve for x
   x = 20,061,298.38/6,455.56
6. Step 6: Final answer
   x = 3,107.60