Finding the Fourth Proportional to 1,870.53, 2,798.09 and 1,537.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.53 : 2,798.09 = 1,537.72 : x
2. Step 2: Convert to fraction form
   1,870.53/2,798.09 = 1,537.72/x
3. Step 3: Cross multiply
   1,870.53x = 2,798.09 × 1,537.72
4. Step 4: Simplify right side
   1,870.53x = 4,302,664.27
5. Step 5: Solve for x
   x = 4,302,664.27/1,870.53
6. Step 6: Final answer
   x = 2,300.24