Finding the Fourth Proportional to 2,715.93, 4,074.71 and 1,926.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.93 : 4,074.71 = 1,926.81 : x
2. Step 2: Convert to fraction form
   2,715.93/4,074.71 = 1,926.81/x
3. Step 3: Cross multiply
   2,715.93x = 4,074.71 × 1,926.81
4. Step 4: Simplify right side
   2,715.93x = 7,851,191.98
5. Step 5: Solve for x
   x = 7,851,191.98/2,715.93
6. Step 6: Final answer
   x = 2,890.79