Finding the Fourth Proportional to 55,663.22, 76,806.90 and 31,784.83

Step by Step Solution

1. Step 1: Write the proportion equation
   55,663.22 : 76,806.90 = 31,784.83 : x
2. Step 2: Convert to fraction form
   55,663.22/76,806.90 = 31,784.83/x
3. Step 3: Cross multiply
   55,663.22x = 76,806.90 × 31,784.83
4. Step 4: Simplify right side
   55,663.22x = 2,441,294,067.31
5. Step 5: Solve for x
   x = 2,441,294,067.31/55,663.22
6. Step 6: Final answer
   x = 43,858.30