Finding the Fourth Proportional to 3,759.51, 5,627.72 and 3,387.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,759.51 : 5,627.72 = 3,387.72 : x
2. Step 2: Convert to fraction form
   3,759.51/5,627.72 = 3,387.72/x
3. Step 3: Cross multiply
   3,759.51x = 5,627.72 × 3,387.72
4. Step 4: Simplify right side
   3,759.51x = 19,065,122.66
5. Step 5: Solve for x
   x = 19,065,122.66/3,759.51
6. Step 6: Final answer
   x = 5,071.17