Finding the Fourth Proportional to 55,712.76, 76,884.82 and 30,562.26

Step by Step Solution

1. Step 1: Write the proportion equation
   55,712.76 : 76,884.82 = 30,562.26 : x
2. Step 2: Convert to fraction form
   55,712.76/76,884.82 = 30,562.26/x
3. Step 3: Cross multiply
   55,712.76x = 76,884.82 × 30,562.26
4. Step 4: Simplify right side
   55,712.76x = 2,349,773,858.89
5. Step 5: Solve for x
   x = 2,349,773,858.89/55,712.76
6. Step 6: Final answer
   x = 42,176.58