Finding the Fourth Proportional to 1,900.53, 2,621.23 and 1,237.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.53 : 2,621.23 = 1,237.59 : x
2. Step 2: Convert to fraction form
   1,900.53/2,621.23 = 1,237.59/x
3. Step 3: Cross multiply
   1,900.53x = 2,621.23 × 1,237.59
4. Step 4: Simplify right side
   1,900.53x = 3,244,008.04
5. Step 5: Solve for x
   x = 3,244,008.04/1,900.53
6. Step 6: Final answer
   x = 1,706.90