Finding the Fourth Proportional to 1,838.13, 2,535.94 and 1,051.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.13 : 2,535.94 = 1,051.72 : x
2. Step 2: Convert to fraction form
   1,838.13/2,535.94 = 1,051.72/x
3. Step 3: Cross multiply
   1,838.13x = 2,535.94 × 1,051.72
4. Step 4: Simplify right side
   1,838.13x = 2,667,093.79
5. Step 5: Solve for x
   x = 2,667,093.79/1,838.13
6. Step 6: Final answer
   x = 1,450.99