Finding the Fourth Proportional to 1,577.88, 2,366.52 and 1,271.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577.88 : 2,366.52 = 1,271.52 : x
2. Step 2: Convert to fraction form
   1,577.88/2,366.52 = 1,271.52/x
3. Step 3: Cross multiply
   1,577.88x = 2,366.52 × 1,271.52
4. Step 4: Simplify right side
   1,577.88x = 3,009,079.40
5. Step 5: Solve for x
   x = 3,009,079.40/1,577.88
6. Step 6: Final answer
   x = 1,907.04