Finding the Fourth Proportional to 1,199.86, 1,799.94 and 377.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199.86 : 1,799.94 = 377.98 : x
2. Step 2: Convert to fraction form
   1,199.86/1,799.94 = 377.98/x
3. Step 3: Cross multiply
   1,199.86x = 1,799.94 × 377.98
4. Step 4: Simplify right side
   1,199.86x = 680,341.32
5. Step 5: Solve for x
   x = 680,341.32/1,199.86
6. Step 6: Final answer
   x = 567.02