Finding the Fourth Proportional to 369,333.86, 509,681.06 and 199,567.98

Step by Step Solution

1. Step 1: Write the proportion equation
   369,333.86 : 509,681.06 = 199,567.98 : x
2. Step 2: Convert to fraction form
   369,333.86/509,681.06 = 199,567.98/x
3. Step 3: Cross multiply
   369,333.86x = 509,681.06 × 199,567.98
4. Step 4: Simplify right side
   369,333.86x = 101,716,018,590.62
5. Step 5: Solve for x
   x = 101,716,018,590.62/369,333.86
6. Step 6: Final answer
   x = 275,403.99