Finding the Fourth Proportional to 1,886.76, 2,603.52 and 1,130.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.76 : 2,603.52 = 1,130.49 : x
2. Step 2: Convert to fraction form
   1,886.76/2,603.52 = 1,130.49/x
3. Step 3: Cross multiply
   1,886.76x = 2,603.52 × 1,130.49
4. Step 4: Simplify right side
   1,886.76x = 2,943,253.32
5. Step 5: Solve for x
   x = 2,943,253.32/1,886.76
6. Step 6: Final answer
   x = 1,559.95