Finding the Fourth Proportional to 79,222.40, 109,322.88 and 43,406

Step by Step Solution

1. Step 1: Write the proportion equation
   79,222.40 : 109,322.88 = 43,406 : x
2. Step 2: Convert to fraction form
   79,222.40/109,322.88 = 43,406/x
3. Step 3: Cross multiply
   79,222.40x = 109,322.88 × 43,406
4. Step 4: Simplify right side
   79,222.40x = 4,745,268,929.28
5. Step 5: Solve for x
   x = 4,745,268,929.28/79,222.40
6. Step 6: Final answer
   x = 59,898.07