Finding the Fourth Proportional to 51,187.83, 76,799.25 and 31,237.32

Step by Step Solution

1. Step 1: Write the proportion equation
   51,187.83 : 76,799.25 = 31,237.32 : x
2. Step 2: Convert to fraction form
   51,187.83/76,799.25 = 31,237.32/x
3. Step 3: Cross multiply
   51,187.83x = 76,799.25 × 31,237.32
4. Step 4: Simplify right side
   51,187.83x = 2,399,002,748.01
5. Step 5: Solve for x
   x = 2,399,002,748.01/51,187.83
6. Step 6: Final answer
   x = 46,866.66