Finding the Fourth Proportional to 552,849.28, 828,748.50 and 216,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   552,849.28 : 828,748.50 = 216,105.82 : x
2. Step 2: Convert to fraction form
   552,849.28/828,748.50 = 216,105.82/x
3. Step 3: Cross multiply
   552,849.28x = 828,748.50 × 216,105.82
4. Step 4: Simplify right side
   552,849.28x = 179,097,374,166.27
5. Step 5: Solve for x
   x = 179,097,374,166.27/552,849.28
6. Step 6: Final answer
   x = 323,953.35