Finding the Fourth Proportional to 2,124.51, 2,926.59 and 1,808.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.51 : 2,926.59 = 1,808.76 : x
2. Step 2: Convert to fraction form
   2,124.51/2,926.59 = 1,808.76/x
3. Step 3: Cross multiply
   2,124.51x = 2,926.59 × 1,808.76
4. Step 4: Simplify right side
   2,124.51x = 5,293,498.93
5. Step 5: Solve for x
   x = 5,293,498.93/2,124.51
6. Step 6: Final answer
   x = 2,491.63