Finding the Fourth Proportional to 21,300.32, 31,955.16 and 6,510.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,300.32 : 31,955.16 = 6,510.38 : x
2. Step 2: Convert to fraction form
   21,300.32/31,955.16 = 6,510.38/x
3. Step 3: Cross multiply
   21,300.32x = 31,955.16 × 6,510.38
4. Step 4: Simplify right side
   21,300.32x = 208,040,234.56
5. Step 5: Solve for x
   x = 208,040,234.56/21,300.32
6. Step 6: Final answer
   x = 9,767.00