Finding the Fourth Proportional to 55,573.06, 76,691.13 and 30,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,573.06 : 76,691.13 = 30,422.56 : x
2. Step 2: Convert to fraction form
   55,573.06/76,691.13 = 30,422.56/x
3. Step 3: Cross multiply
   55,573.06x = 76,691.13 × 30,422.56
4. Step 4: Simplify right side
   55,573.06x = 2,333,140,503.89
5. Step 5: Solve for x
   x = 2,333,140,503.89/55,573.06
6. Step 6: Final answer
   x = 41,983.30