Finding the Fourth Proportional to 55,799.50, 77,003.31 and 30,649

Step by Step Solution

1. Step 1: Write the proportion equation
   55,799.50 : 77,003.31 = 30,649 : x
2. Step 2: Convert to fraction form
   55,799.50/77,003.31 = 30,649/x
3. Step 3: Cross multiply
   55,799.50x = 77,003.31 × 30,649
4. Step 4: Simplify right side
   55,799.50x = 2,360,074,448.19
5. Step 5: Solve for x
   x = 2,360,074,448.19/55,799.50
6. Step 6: Final answer
   x = 42,295.62