Finding the Fourth Proportional to 374,945.30, 563,730.15 and 367,072.10

Step by Step Solution

1. Step 1: Write the proportion equation
   374,945.30 : 563,730.15 = 367,072.10 : x
2. Step 2: Convert to fraction form
   374,945.30/563,730.15 = 367,072.10/x
3. Step 3: Cross multiply
   374,945.30x = 563,730.15 × 367,072.10
4. Step 4: Simplify right side
   374,945.30x = 206,929,609,993.82
5. Step 5: Solve for x
   x = 206,929,609,993.82/374,945.30
6. Step 6: Final answer
   x = 551,892.80