Finding the Fourth Proportional to 5,012.49, 7,518.58 and 2,381.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,012.49 : 7,518.58 = 2,381.89 : x
2. Step 2: Convert to fraction form
   5,012.49/7,518.58 = 2,381.89/x
3. Step 3: Cross multiply
   5,012.49x = 7,518.58 × 2,381.89
4. Step 4: Simplify right side
   5,012.49x = 17,908,442.89
5. Step 5: Solve for x
   x = 17,908,442.89/5,012.49
6. Step 6: Final answer
   x = 3,572.76