Finding the Fourth Proportional to 6,507.16, 9,762.78 and 2,123.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,507.16 : 9,762.78 = 2,123.59 : x
2. Step 2: Convert to fraction form
   6,507.16/9,762.78 = 2,123.59/x
3. Step 3: Cross multiply
   6,507.16x = 9,762.78 × 2,123.59
4. Step 4: Simplify right side
   6,507.16x = 20,732,122.88
5. Step 5: Solve for x
   x = 20,732,122.88/6,507.16
6. Step 6: Final answer
   x = 3,186.05