Finding the Fourth Proportional to 3,773.05, 5,663.17 and 2,315.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.05 : 5,663.17 = 2,315.05 : x
2. Step 2: Convert to fraction form
   3,773.05/5,663.17 = 2,315.05/x
3. Step 3: Cross multiply
   3,773.05x = 5,663.17 × 2,315.05
4. Step 4: Simplify right side
   3,773.05x = 13,110,521.71
5. Step 5: Solve for x
   x = 13,110,521.71/3,773.05
6. Step 6: Final answer
   x = 3,474.78