Finding the Fourth Proportional to 147,196.14, 220,642.73 and 58,512.48

Step by Step Solution

1. Step 1: Write the proportion equation
   147,196.14 : 220,642.73 = 58,512.48 : x
2. Step 2: Convert to fraction form
   147,196.14/220,642.73 = 58,512.48/x
3. Step 3: Cross multiply
   147,196.14x = 220,642.73 × 58,512.48
4. Step 4: Simplify right side
   147,196.14x = 12,910,353,326.27
5. Step 5: Solve for x
   x = 12,910,353,326.27/147,196.14
6. Step 6: Final answer
   x = 87,708.50