Finding the Fourth Proportional to 254,556.42, 381,881.48 and 83,787.72

Step by Step Solution

1. Step 1: Write the proportion equation
   254,556.42 : 381,881.48 = 83,787.72 : x
2. Step 2: Convert to fraction form
   254,556.42/381,881.48 = 83,787.72/x
3. Step 3: Cross multiply
   254,556.42x = 381,881.48 × 83,787.72
4. Step 4: Simplify right side
   254,556.42x = 31,996,978,519.43
5. Step 5: Solve for x
   x = 31,996,978,519.43/254,556.42
6. Step 6: Final answer
   x = 125,697.00