Finding the Fourth Proportional to 369,944, 510,522.72 and 210,968

Step by Step Solution

1. Step 1: Write the proportion equation
   369,944 : 510,522.72 = 210,968 : x
2. Step 2: Convert to fraction form
   369,944/510,522.72 = 210,968/x
3. Step 3: Cross multiply
   369,944x = 510,522.72 × 210,968
4. Step 4: Simplify right side
   369,944x = 107,703,957,192.96
5. Step 5: Solve for x
   x = 107,703,957,192.96/369,944
6. Step 6: Final answer
   x = 291,135.84