Finding the Fourth Proportional to 42,087.60, 58,331.70 and 41,300.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,087.60 : 58,331.70 = 41,300.28 : x
2. Step 2: Convert to fraction form
   42,087.60/58,331.70 = 41,300.28/x
3. Step 3: Cross multiply
   42,087.60x = 58,331.70 × 41,300.28
4. Step 4: Simplify right side
   42,087.60x = 2,409,115,542.88
5. Step 5: Solve for x
   x = 2,409,115,542.88/42,087.60
6. Step 6: Final answer
   x = 57,240.51