Finding the Fourth Proportional to 468,865.89, 646,820.51 and 277,770.69

Step by Step Solution

1. Step 1: Write the proportion equation
   468,865.89 : 646,820.51 = 277,770.69 : x
2. Step 2: Convert to fraction form
   468,865.89/646,820.51 = 277,770.69/x
3. Step 3: Cross multiply
   468,865.89x = 646,820.51 × 277,770.69
4. Step 4: Simplify right side
   468,865.89x = 179,667,777,980.00
5. Step 5: Solve for x
   x = 179,667,777,980.00/468,865.89
6. Step 6: Final answer
   x = 383,196.52