Finding the Fourth Proportional to 55,262.81, 76,262.69 and 30,112.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,262.81 : 76,262.69 = 30,112.31 : x
2. Step 2: Convert to fraction form
   55,262.81/76,262.69 = 30,112.31/x
3. Step 3: Cross multiply
   55,262.81x = 76,262.69 × 30,112.31
4. Step 4: Simplify right side
   55,262.81x = 2,296,445,762.71
5. Step 5: Solve for x
   x = 2,296,445,762.71/55,262.81
6. Step 6: Final answer
   x = 41,554.99