Finding the Fourth Proportional to 3,875.12, 5,811.77 and 1,376.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.12 : 5,811.77 = 1,376.10 : x
2. Step 2: Convert to fraction form
   3,875.12/5,811.77 = 1,376.10/x
3. Step 3: Cross multiply
   3,875.12x = 5,811.77 × 1,376.10
4. Step 4: Simplify right side
   3,875.12x = 7,997,540.76
5. Step 5: Solve for x
   x = 7,997,540.76/3,875.12
6. Step 6: Final answer
   x = 2,063.82