Finding the Fourth Proportional to 55,680.76, 76,837.84 and 31,806.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,680.76 : 76,837.84 = 31,806.96 : x
2. Step 2: Convert to fraction form
   55,680.76/76,837.84 = 31,806.96/x
3. Step 3: Cross multiply
   55,680.76x = 76,837.84 × 31,806.96
4. Step 4: Simplify right side
   55,680.76x = 2,443,978,103.37
5. Step 5: Solve for x
   x = 2,443,978,103.37/55,680.76
6. Step 6: Final answer
   x = 43,892.69