Finding the Fourth Proportional to 1,876.08, 2,588.76 and 1,158.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.08 : 2,588.76 = 1,158.15 : x
2. Step 2: Convert to fraction form
   1,876.08/2,588.76 = 1,158.15/x
3. Step 3: Cross multiply
   1,876.08x = 2,588.76 × 1,158.15
4. Step 4: Simplify right side
   1,876.08x = 2,998,172.39
5. Step 5: Solve for x
   x = 2,998,172.39/1,876.08
6. Step 6: Final answer
   x = 1,598.10