Finding the Fourth Proportional to 3,994.74, 5,513.46 and 2,503.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.74 : 5,513.46 = 2,503.95 : x
2. Step 2: Convert to fraction form
   3,994.74/5,513.46 = 2,503.95/x
3. Step 3: Cross multiply
   3,994.74x = 5,513.46 × 2,503.95
4. Step 4: Simplify right side
   3,994.74x = 13,805,428.17
5. Step 5: Solve for x
   x = 13,805,428.17/3,994.74
6. Step 6: Final answer
   x = 3,455.90