Finding the Fourth Proportional to 79,189.14, 109,282.78 and 45,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   79,189.14 : 109,282.78 = 45,196.96 : x
2. Step 2: Convert to fraction form
   79,189.14/109,282.78 = 45,196.96/x
3. Step 3: Cross multiply
   79,189.14x = 109,282.78 × 45,196.96
4. Step 4: Simplify right side
   79,189.14x = 4,939,249,436.35
5. Step 5: Solve for x
   x = 4,939,249,436.35/79,189.14
6. Step 6: Final answer
   x = 62,372.81