Finding the Fourth Proportional to 51,115.89, 70,550.42 and 29,900.37

Step by Step Solution

1. Step 1: Write the proportion equation
   51,115.89 : 70,550.42 = 29,900.37 : x
2. Step 2: Convert to fraction form
   51,115.89/70,550.42 = 29,900.37/x
3. Step 3: Cross multiply
   51,115.89x = 70,550.42 × 29,900.37
4. Step 4: Simplify right side
   51,115.89x = 2,109,483,512.15
5. Step 5: Solve for x
   x = 2,109,483,512.15/51,115.89
6. Step 6: Final answer
   x = 41,268.64