Finding the Fourth Proportional to 51,809.25, 71,499.39 and 30,588.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,809.25 : 71,499.39 = 30,588.06 : x
2. Step 2: Convert to fraction form
   51,809.25/71,499.39 = 30,588.06/x
3. Step 3: Cross multiply
   51,809.25x = 71,499.39 × 30,588.06
4. Step 4: Simplify right side
   51,809.25x = 2,187,027,631.28
5. Step 5: Solve for x
   x = 2,187,027,631.28/51,809.25
6. Step 6: Final answer
   x = 42,213.07