Finding the Fourth Proportional to 548,667.04, 824,380.80 and 349,076.56

Step by Step Solution

1. Step 1: Write the proportion equation
   548,667.04 : 824,380.80 = 349,076.56 : x
2. Step 2: Convert to fraction form
   548,667.04/824,380.80 = 349,076.56/x
3. Step 3: Cross multiply
   548,667.04x = 824,380.80 × 349,076.56
4. Step 4: Simplify right side
   548,667.04x = 287,772,013,794.05
5. Step 5: Solve for x
   x = 287,772,013,794.05/548,667.04
6. Step 6: Final answer
   x = 524,492.99