Finding the Fourth Proportional to 79,391, 109,559.15 and 43,581.62

Step by Step Solution

1. Step 1: Write the proportion equation
   79,391 : 109,559.15 = 43,581.62 : x
2. Step 2: Convert to fraction form
   79,391/109,559.15 = 43,581.62/x
3. Step 3: Cross multiply
   79,391x = 109,559.15 × 43,581.62
4. Step 4: Simplify right side
   79,391x = 4,774,765,242.82
5. Step 5: Solve for x
   x = 4,774,765,242.82/79,391
6. Step 6: Final answer
   x = 60,142.40