Finding the Fourth Proportional to 55,282.86, 76,288.26 and 30,131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,282.86 : 76,288.26 = 30,131.82 : x
2. Step 2: Convert to fraction form
   55,282.86/76,288.26 = 30,131.82/x
3. Step 3: Cross multiply
   55,282.86x = 76,288.26 × 30,131.82
4. Step 4: Simplify right side
   55,282.86x = 2,298,704,118.43
5. Step 5: Solve for x
   x = 2,298,704,118.43/55,282.86
6. Step 6: Final answer
   x = 41,580.77