Finding the Fourth Proportional to 2,780.15, 3,837.47 and 1,602.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.15 : 3,837.47 = 1,602.01 : x
2. Step 2: Convert to fraction form
   2,780.15/3,837.47 = 1,602.01/x
3. Step 3: Cross multiply
   2,780.15x = 3,837.47 × 1,602.01
4. Step 4: Simplify right side
   2,780.15x = 6,147,665.31
5. Step 5: Solve for x
   x = 6,147,665.31/2,780.15
6. Step 6: Final answer
   x = 2,211.27