Finding the Fourth Proportional to 51,253.15, 76,882.96 and 21,667.09

Step by Step Solution

1. Step 1: Write the proportion equation
   51,253.15 : 76,882.96 = 21,667.09 : x
2. Step 2: Convert to fraction form
   51,253.15/76,882.96 = 21,667.09/x
3. Step 3: Cross multiply
   51,253.15x = 76,882.96 × 21,667.09
4. Step 4: Simplify right side
   51,253.15x = 1,665,829,521.04
5. Step 5: Solve for x
   x = 1,665,829,521.04/51,253.15
6. Step 6: Final answer
   x = 32,502.00