Finding the Fourth Proportional to 254,870.69, 382,352.00 and 105,027.57

Step by Step Solution

1. Step 1: Write the proportion equation
   254,870.69 : 382,352.00 = 105,027.57 : x
2. Step 2: Convert to fraction form
   254,870.69/382,352.00 = 105,027.57/x
3. Step 3: Cross multiply
   254,870.69x = 382,352.00 × 105,027.57
4. Step 4: Simplify right side
   254,870.69x = 40,157,500,919.50
5. Step 5: Solve for x
   x = 40,157,500,919.50/254,870.69
6. Step 6: Final answer
   x = 157,560.30