Finding the Fourth Proportional to 79,151.20, 109,228.82 and 42,853.03

Step by Step Solution

1. Step 1: Write the proportion equation
   79,151.20 : 109,228.82 = 42,853.03 : x
2. Step 2: Convert to fraction form
   79,151.20/109,228.82 = 42,853.03/x
3. Step 3: Cross multiply
   79,151.20x = 109,228.82 × 42,853.03
4. Step 4: Simplify right side
   79,151.20x = 4,680,785,412.99
5. Step 5: Solve for x
   x = 4,680,785,412.99/79,151.20
6. Step 6: Final answer
   x = 59,137.27