Finding the Fourth Proportional to 6,538.02, 9,807.15 and 2,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,538.02 : 9,807.15 = 2,155.52 : x
2. Step 2: Convert to fraction form
   6,538.02/9,807.15 = 2,155.52/x
3. Step 3: Cross multiply
   6,538.02x = 9,807.15 × 2,155.52
4. Step 4: Simplify right side
   6,538.02x = 21,139,458.93
5. Step 5: Solve for x
   x = 21,139,458.93/6,538.02
6. Step 6: Final answer
   x = 3,233.31