Finding the Fourth Proportional to 83,544, 115,290.78 and 45,818.40

Step by Step Solution

1. Step 1: Write the proportion equation
   83,544 : 115,290.78 = 45,818.40 : x
2. Step 2: Convert to fraction form
   83,544/115,290.78 = 45,818.40/x
3. Step 3: Cross multiply
   83,544x = 115,290.78 × 45,818.40
4. Step 4: Simplify right side
   83,544x = 5,282,439,074.35
5. Step 5: Solve for x
   x = 5,282,439,074.35/83,544
6. Step 6: Final answer
   x = 63,229.42