Finding the Fourth Proportional to 79,111, 109,173.18 and 43,783

Step by Step Solution

1. Step 1: Write the proportion equation
   79,111 : 109,173.18 = 43,783 : x
2. Step 2: Convert to fraction form
   79,111/109,173.18 = 43,783/x
3. Step 3: Cross multiply
   79,111x = 109,173.18 × 43,783
4. Step 4: Simplify right side
   79,111x = 4,779,929,339.94
5. Step 5: Solve for x
   x = 4,779,929,339.94/79,111
6. Step 6: Final answer
   x = 60,420.54