Finding the Fourth Proportional to 4,900.81, 7,341.94 and 3,799.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.81 : 7,341.94 = 3,799.78 : x
2. Step 2: Convert to fraction form
   4,900.81/7,341.94 = 3,799.78/x
3. Step 3: Cross multiply
   4,900.81x = 7,341.94 × 3,799.78
4. Step 4: Simplify right side
   4,900.81x = 27,897,756.77
5. Step 5: Solve for x
   x = 27,897,756.77/4,900.81
6. Step 6: Final answer
   x = 5,692.48