Finding the Fourth Proportional to 79,111.23, 109,172.58 and 42,811.84

Step by Step Solution

1. Step 1: Write the proportion equation
   79,111.23 : 109,172.58 = 42,811.84 : x
2. Step 2: Convert to fraction form
   79,111.23/109,172.58 = 42,811.84/x
3. Step 3: Cross multiply
   79,111.23x = 109,172.58 × 42,811.84
4. Step 4: Simplify right side
   79,111.23x = 4,673,878,267.43
5. Step 5: Solve for x
   x = 4,673,878,267.43/79,111.23
6. Step 6: Final answer
   x = 59,079.83