Finding the Fourth Proportional to 79,153.33, 109,231.77 and 42,855.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,153.33 : 109,231.77 = 42,855.16 : x
2. Step 2: Convert to fraction form
   79,153.33/109,231.77 = 42,855.16/x
3. Step 3: Cross multiply
   79,153.33x = 109,231.77 × 42,855.16
4. Step 4: Simplify right side
   79,153.33x = 4,681,144,980.43
5. Step 5: Solve for x
   x = 4,681,144,980.43/79,153.33
6. Step 6: Final answer
   x = 59,140.22