Finding the Fourth Proportional to 1,868.58, 2,577.17 and 1,160.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.58 : 2,577.17 = 1,160.02 : x
2. Step 2: Convert to fraction form
   1,868.58/2,577.17 = 1,160.02/x
3. Step 3: Cross multiply
   1,868.58x = 2,577.17 × 1,160.02
4. Step 4: Simplify right side
   1,868.58x = 2,989,568.34
5. Step 5: Solve for x
   x = 2,989,568.34/1,868.58
6. Step 6: Final answer
   x = 1,599.92