Finding the Fourth Proportional to 55,493.50, 76,581.32 and 30,343

Step by Step Solution

1. Step 1: Write the proportion equation
   55,493.50 : 76,581.32 = 30,343 : x
2. Step 2: Convert to fraction form
   55,493.50/76,581.32 = 30,343/x
3. Step 3: Cross multiply
   55,493.50x = 76,581.32 × 30,343
4. Step 4: Simplify right side
   55,493.50x = 2,323,706,992.76
5. Step 5: Solve for x
   x = 2,323,706,992.76/55,493.50
6. Step 6: Final answer
   x = 41,873.50