Finding the Fourth Proportional to 314,546.10, 470,897.55 and 277,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   314,546.10 : 470,897.55 = 277,682.10 : x
2. Step 2: Convert to fraction form
   314,546.10/470,897.55 = 277,682.10/x
3. Step 3: Cross multiply
   314,546.10x = 470,897.55 × 277,682.10
4. Step 4: Simplify right side
   314,546.10x = 130,759,820,568.86
5. Step 5: Solve for x
   x = 130,759,820,568.86/314,546.10
6. Step 6: Final answer
   x = 415,709.56