Finding the Fourth Proportional to 58,073.78, 87,078.27 and 28,427.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,073.78 : 87,078.27 = 28,427.78 : x
2. Step 2: Convert to fraction form
   58,073.78/87,078.27 = 28,427.78/x
3. Step 3: Cross multiply
   58,073.78x = 87,078.27 × 28,427.78
4. Step 4: Simplify right side
   58,073.78x = 2,475,441,902.34
5. Step 5: Solve for x
   x = 2,475,441,902.34/58,073.78
6. Step 6: Final answer
   x = 42,625.81