Finding the Fourth Proportional to 55,633.94, 76,780.33 and 31,764.20

Step by Step Solution

1. Step 1: Write the proportion equation
   55,633.94 : 76,780.33 = 31,764.20 : x
2. Step 2: Convert to fraction form
   55,633.94/76,780.33 = 31,764.20/x
3. Step 3: Cross multiply
   55,633.94x = 76,780.33 × 31,764.20
4. Step 4: Simplify right side
   55,633.94x = 2,438,865,816.10
5. Step 5: Solve for x
   x = 2,438,865,816.10/55,633.94
6. Step 6: Final answer
   x = 43,837.73