Finding the Fourth Proportional to 318,323.54, 477,554.52 and 105,100.76

Step by Step Solution

1. Step 1: Write the proportion equation
   318,323.54 : 477,554.52 = 105,100.76 : x
2. Step 2: Convert to fraction form
   318,323.54/477,554.52 = 105,100.76/x
3. Step 3: Cross multiply
   318,323.54x = 477,554.52 × 105,100.76
4. Step 4: Simplify right side
   318,323.54x = 50,191,342,993.44
5. Step 5: Solve for x
   x = 50,191,342,993.44/318,323.54
6. Step 6: Final answer
   x = 157,673.99