Finding the Fourth Proportional to 1,053.34, 1,453.53 and 587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.34 : 1,453.53 = 587.50 : x
2. Step 2: Convert to fraction form
   1,053.34/1,453.53 = 587.50/x
3. Step 3: Cross multiply
   1,053.34x = 1,453.53 × 587.50
4. Step 4: Simplify right side
   1,053.34x = 853,948.88
5. Step 5: Solve for x
   x = 853,948.88/1,053.34
6. Step 6: Final answer
   x = 810.71