Finding the Fourth Proportional to 39,003.82, 58,484.12 and 18,215.98

Step by Step Solution

1. Step 1: Write the proportion equation
   39,003.82 : 58,484.12 = 18,215.98 : x
2. Step 2: Convert to fraction form
   39,003.82/58,484.12 = 18,215.98/x
3. Step 3: Cross multiply
   39,003.82x = 58,484.12 × 18,215.98
4. Step 4: Simplify right side
   39,003.82x = 1,065,345,560.24
5. Step 5: Solve for x
   x = 1,065,345,560.24/39,003.82
6. Step 6: Final answer
   x = 27,313.88