Finding the Fourth Proportional to 51,460.16, 76,846.48 and 43,986.56

Step by Step Solution

1. Step 1: Write the proportion equation
   51,460.16 : 76,846.48 = 43,986.56 : x
2. Step 2: Convert to fraction form
   51,460.16/76,846.48 = 43,986.56/x
3. Step 3: Cross multiply
   51,460.16x = 76,846.48 × 43,986.56
4. Step 4: Simplify right side
   51,460.16x = 3,380,212,303.31
5. Step 5: Solve for x
   x = 3,380,212,303.31/51,460.16
6. Step 6: Final answer
   x = 65,686.00