Finding the Fourth Proportional to 58,243.72, 80,269.74 and 42,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   58,243.72 : 80,269.74 = 42,300.48 : x
2. Step 2: Convert to fraction form
   58,243.72/80,269.74 = 42,300.48/x
3. Step 3: Cross multiply
   58,243.72x = 80,269.74 × 42,300.48
4. Step 4: Simplify right side
   58,243.72x = 3,395,448,531.48
5. Step 5: Solve for x
   x = 3,395,448,531.48/58,243.72
6. Step 6: Final answer
   x = 58,297.25