Finding the Fourth Proportional to 58,488.20, 87,744.15 and 19,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,488.20 : 87,744.15 = 19,034.72 : x
2. Step 2: Convert to fraction form
   58,488.20/87,744.15 = 19,034.72/x
3. Step 3: Cross multiply
   58,488.20x = 87,744.15 × 19,034.72
4. Step 4: Simplify right side
   58,488.20x = 1,670,185,546.25
5. Step 5: Solve for x
   x = 1,670,185,546.25/58,488.20
6. Step 6: Final answer
   x = 28,555.94