Finding the Fourth Proportional to 2,507.88, 3,759.38 and 1,047.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.88 : 3,759.38 = 1,047.45 : x
2. Step 2: Convert to fraction form
   2,507.88/3,759.38 = 1,047.45/x
3. Step 3: Cross multiply
   2,507.88x = 3,759.38 × 1,047.45
4. Step 4: Simplify right side
   2,507.88x = 3,937,762.58
5. Step 5: Solve for x
   x = 3,937,762.58/2,507.88
6. Step 6: Final answer
   x = 1,570.16