Finding the Fourth Proportional to 3,779.51, 5,663.72 and 1,902.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.51 : 5,663.72 = 1,902.83 : x
2. Step 2: Convert to fraction form
   3,779.51/5,663.72 = 1,902.83/x
3. Step 3: Cross multiply
   3,779.51x = 5,663.72 × 1,902.83
4. Step 4: Simplify right side
   3,779.51x = 10,777,072.77
5. Step 5: Solve for x
   x = 10,777,072.77/3,779.51
6. Step 6: Final answer
   x = 2,851.45