Finding the Fourth Proportional to 60,830.62, 83,336.55 and 58,556.37

Step by Step Solution

1. Step 1: Write the proportion equation
   60,830.62 : 83,336.55 = 58,556.37 : x
2. Step 2: Convert to fraction form
   60,830.62/83,336.55 = 58,556.37/x
3. Step 3: Cross multiply
   60,830.62x = 83,336.55 × 58,556.37
4. Step 4: Simplify right side
   60,830.62x = 4,879,885,856.32
5. Step 5: Solve for x
   x = 4,879,885,856.32/60,830.62
6. Step 6: Final answer
   x = 80,220.88