Finding the Fourth Proportional to 1,899.88, 2,622.06 and 1,154.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.88 : 2,622.06 = 1,154.12 : x
2. Step 2: Convert to fraction form
   1,899.88/2,622.06 = 1,154.12/x
3. Step 3: Cross multiply
   1,899.88x = 2,622.06 × 1,154.12
4. Step 4: Simplify right side
   1,899.88x = 3,026,171.89
5. Step 5: Solve for x
   x = 3,026,171.89/1,899.88
6. Step 6: Final answer
   x = 1,592.82