Finding the Fourth Proportional to 3,919.47, 5,875.05 and 1,837.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.47 : 5,875.05 = 1,837.72 : x
2. Step 2: Convert to fraction form
   3,919.47/5,875.05 = 1,837.72/x
3. Step 3: Cross multiply
   3,919.47x = 5,875.05 × 1,837.72
4. Step 4: Simplify right side
   3,919.47x = 10,796,696.89
5. Step 5: Solve for x
   x = 10,796,696.89/3,919.47
6. Step 6: Final answer
   x = 2,754.63