Finding the Fourth Proportional to 2,501.02, 3,451.35 and 1,381.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.02 : 3,451.35 = 1,381.90 : x
2. Step 2: Convert to fraction form
   2,501.02/3,451.35 = 1,381.90/x
3. Step 3: Cross multiply
   2,501.02x = 3,451.35 × 1,381.90
4. Step 4: Simplify right side
   2,501.02x = 4,769,420.57
5. Step 5: Solve for x
   x = 4,769,420.57/2,501.02
6. Step 6: Final answer
   x = 1,906.99