Finding the Fourth Proportional to 2,501.66, 3,451.81 and 1,507

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.66 : 3,451.81 = 1,507 : x
2. Step 2: Convert to fraction form
   2,501.66/3,451.81 = 1,507/x
3. Step 3: Cross multiply
   2,501.66x = 3,451.81 × 1,507
4. Step 4: Simplify right side
   2,501.66x = 5,201,877.67
5. Step 5: Solve for x
   x = 5,201,877.67/2,501.66
6. Step 6: Final answer
   x = 2,079.37