Finding the Fourth Proportional to 546,061.46, 819,116.77 and 209,014.69

Step by Step Solution

1. Step 1: Write the proportion equation
   546,061.46 : 819,116.77 = 209,014.69 : x
2. Step 2: Convert to fraction form
   546,061.46/819,116.77 = 209,014.69/x
3. Step 3: Cross multiply
   546,061.46x = 819,116.77 × 209,014.69
4. Step 4: Simplify right side
   546,061.46x = 171,207,435,185.02
5. Step 5: Solve for x
   x = 171,207,435,185.02/546,061.46
6. Step 6: Final answer
   x = 313,531.44