Finding the Fourth Proportional to 1,839.76, 2,538.30 and 1,053.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.76 : 2,538.30 = 1,053.52 : x
2. Step 2: Convert to fraction form
   1,839.76/2,538.30 = 1,053.52/x
3. Step 3: Cross multiply
   1,839.76x = 2,538.30 × 1,053.52
4. Step 4: Simplify right side
   1,839.76x = 2,674,149.82
5. Step 5: Solve for x
   x = 2,674,149.82/1,839.76
6. Step 6: Final answer
   x = 1,453.53