Finding the Fourth Proportional to 272,796.75, 409,256.18 and 83,273.96

Step by Step Solution

1. Step 1: Write the proportion equation
   272,796.75 : 409,256.18 = 83,273.96 : x
2. Step 2: Convert to fraction form
   272,796.75/409,256.18 = 83,273.96/x
3. Step 3: Cross multiply
   272,796.75x = 409,256.18 × 83,273.96
4. Step 4: Simplify right side
   272,796.75x = 34,080,380,300.42
5. Step 5: Solve for x
   x = 34,080,380,300.42/272,796.75
6. Step 6: Final answer
   x = 124,929.57