Finding the Fourth Proportional to 369,760.05, 510,268.86 and 199,994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   369,760.05 : 510,268.86 = 199,994.18 : x
2. Step 2: Convert to fraction form
   369,760.05/510,268.86 = 199,994.18/x
3. Step 3: Cross multiply
   369,760.05x = 510,268.86 × 199,994.18
4. Step 4: Simplify right side
   369,760.05x = 102,050,799,683.89
5. Step 5: Solve for x
   x = 102,050,799,683.89/369,760.05
6. Step 6: Final answer
   x = 275,991.96