Finding the Fourth Proportional to 58,015.98, 87,011.82 and 28,404

Step by Step Solution

1. Step 1: Write the proportion equation
   58,015.98 : 87,011.82 = 28,404 : x
2. Step 2: Convert to fraction form
   58,015.98/87,011.82 = 28,404/x
3. Step 3: Cross multiply
   58,015.98x = 87,011.82 × 28,404
4. Step 4: Simplify right side
   58,015.98x = 2,471,483,735.28
5. Step 5: Solve for x
   x = 2,471,483,735.28/58,015.98
6. Step 6: Final answer
   x = 42,600.05