Finding the Fourth Proportional to 1,895.10, 2,612.88 and 1,580.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.10 : 2,612.88 = 1,580.82 : x
2. Step 2: Convert to fraction form
   1,895.10/2,612.88 = 1,580.82/x
3. Step 3: Cross multiply
   1,895.10x = 2,612.88 × 1,580.82
4. Step 4: Simplify right side
   1,895.10x = 4,130,492.96
5. Step 5: Solve for x
   x = 4,130,492.96/1,895.10
6. Step 6: Final answer
   x = 2,179.56