Finding the Fourth Proportional to 3,691.72, 5,088.81 and 2,510.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.72 : 5,088.81 = 2,510.74 : x
2. Step 2: Convert to fraction form
   3,691.72/5,088.81 = 2,510.74/x
3. Step 3: Cross multiply
   3,691.72x = 5,088.81 × 2,510.74
4. Step 4: Simplify right side
   3,691.72x = 12,776,678.82
5. Step 5: Solve for x
   x = 12,776,678.82/3,691.72
6. Step 6: Final answer
   x = 3,460.90