Finding the Fourth Proportional to 51,301.02, 76,978.17 and 38,817.33

Step by Step Solution

1. Step 1: Write the proportion equation
   51,301.02 : 76,978.17 = 38,817.33 : x
2. Step 2: Convert to fraction form
   51,301.02/76,978.17 = 38,817.33/x
3. Step 3: Cross multiply
   51,301.02x = 76,978.17 × 38,817.33
4. Step 4: Simplify right side
   51,301.02x = 2,988,087,027.69
5. Step 5: Solve for x
   x = 2,988,087,027.69/51,301.02
6. Step 6: Final answer
   x = 58,246.15