Finding the Fourth Proportional to 55,369.89, 76,410.51 and 30,219.39

Step by Step Solution

1. Step 1: Write the proportion equation
   55,369.89 : 76,410.51 = 30,219.39 : x
2. Step 2: Convert to fraction form
   55,369.89/76,410.51 = 30,219.39/x
3. Step 3: Cross multiply
   55,369.89x = 76,410.51 × 30,219.39
4. Step 4: Simplify right side
   55,369.89x = 2,309,079,001.79
5. Step 5: Solve for x
   x = 2,309,079,001.79/55,369.89
6. Step 6: Final answer
   x = 41,702.79