Finding the Fourth Proportional to 79,580, 109,823.16 and 43,772.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,580 : 109,823.16 = 43,772.72 : x
2. Step 2: Convert to fraction form
   79,580/109,823.16 = 43,772.72/x
3. Step 3: Cross multiply
   79,580x = 109,823.16 × 43,772.72
4. Step 4: Simplify right side
   79,580x = 4,807,258,432.20
5. Step 5: Solve for x
   x = 4,807,258,432.20/79,580
6. Step 6: Final answer
   x = 60,407.87