Finding the Fourth Proportional to 1,900.06, 2,621.46 and 1,113.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.06 : 2,621.46 = 1,113.55 : x
2. Step 2: Convert to fraction form
   1,900.06/2,621.46 = 1,113.55/x
3. Step 3: Cross multiply
   1,900.06x = 2,621.46 × 1,113.55
4. Step 4: Simplify right side
   1,900.06x = 2,919,126.78
5. Step 5: Solve for x
   x = 2,919,126.78/1,900.06
6. Step 6: Final answer
   x = 1,536.33