Finding the Fourth Proportional to 178,886.30, 268,327.55 and 45,765.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,886.30 : 268,327.55 = 45,765.50 : x
2. Step 2: Convert to fraction form
   178,886.30/268,327.55 = 45,765.50/x
3. Step 3: Cross multiply
   178,886.30x = 268,327.55 × 45,765.50
4. Step 4: Simplify right side
   178,886.30x = 12,280,142,919.06
5. Step 5: Solve for x
   x = 12,280,142,919.06/178,886.30
6. Step 6: Final answer
   x = 68,647.76