Finding the Fourth Proportional to 2,716.48, 3,748.71 and 1,931.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,716.48 : 3,748.71 = 1,931.91 : x
2. Step 2: Convert to fraction form
   2,716.48/3,748.71 = 1,931.91/x
3. Step 3: Cross multiply
   2,716.48x = 3,748.71 × 1,931.91
4. Step 4: Simplify right side
   2,716.48x = 7,242,170.34
5. Step 5: Solve for x
   x = 7,242,170.34/2,716.48
6. Step 6: Final answer
   x = 2,666.01