Finding the Fourth Proportional to 501,841.82, 692,543.30 and 272,399.28

Step by Step Solution

1. Step 1: Write the proportion equation
   501,841.82 : 692,543.30 = 272,399.28 : x
2. Step 2: Convert to fraction form
   501,841.82/692,543.30 = 272,399.28/x
3. Step 3: Cross multiply
   501,841.82x = 692,543.30 × 272,399.28
4. Step 4: Simplify right side
   501,841.82x = 188,648,296,288.82
5. Step 5: Solve for x
   x = 188,648,296,288.82/501,841.82
6. Step 6: Final answer
   x = 375,911.87