Finding the Fourth Proportional to 146,762.48, 220,019.38 and 58,078.56

Step by Step Solution

1. Step 1: Write the proportion equation
   146,762.48 : 220,019.38 = 58,078.56 : x
2. Step 2: Convert to fraction form
   146,762.48/220,019.38 = 58,078.56/x
3. Step 3: Cross multiply
   146,762.48x = 220,019.38 × 58,078.56
4. Step 4: Simplify right side
   146,762.48x = 12,778,408,762.49
5. Step 5: Solve for x
   x = 12,778,408,762.49/146,762.48
6. Step 6: Final answer
   x = 87,068.63