Finding the Fourth Proportional to 280,300.95, 386,680.78 and 183,462.18

Step by Step Solution

1. Step 1: Write the proportion equation
   280,300.95 : 386,680.78 = 183,462.18 : x
2. Step 2: Convert to fraction form
   280,300.95/386,680.78 = 183,462.18/x
3. Step 3: Cross multiply
   280,300.95x = 386,680.78 × 183,462.18
4. Step 4: Simplify right side
   280,300.95x = 70,941,297,986.17
5. Step 5: Solve for x
   x = 70,941,297,986.17/280,300.95
6. Step 6: Final answer
   x = 253,089.75