Finding the Fourth Proportional to 723,300.20, 1,084,691.10 and 368,196.20

Step by Step Solution

1. Step 1: Write the proportion equation
   723,300.20 : 1,084,691.10 = 368,196.20 : x
2. Step 2: Convert to fraction form
   723,300.20/1,084,691.10 = 368,196.20/x
3. Step 3: Cross multiply
   723,300.20x = 1,084,691.10 × 368,196.20
4. Step 4: Simplify right side
   723,300.20x = 399,379,141,193.82
5. Step 5: Solve for x
   x = 399,379,141,193.82/723,300.20
6. Step 6: Final answer
   x = 552,162.35