Finding the Fourth Proportional to 58,532.33, 87,789.57 and 19,089.38

Step by Step Solution

1. Step 1: Write the proportion equation
   58,532.33 : 87,789.57 = 19,089.38 : x
2. Step 2: Convert to fraction form
   58,532.33/87,789.57 = 19,089.38/x
3. Step 3: Cross multiply
   58,532.33x = 87,789.57 × 19,089.38
4. Step 4: Simplify right side
   58,532.33x = 1,675,848,022.82
5. Step 5: Solve for x
   x = 1,675,848,022.82/58,532.33
6. Step 6: Final answer
   x = 28,631.15