Finding the Fourth Proportional to 1,045.69, 1,443.08 and 652.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.69 : 1,443.08 = 652.50 : x
2. Step 2: Convert to fraction form
   1,045.69/1,443.08 = 652.50/x
3. Step 3: Cross multiply
   1,045.69x = 1,443.08 × 652.50
4. Step 4: Simplify right side
   1,045.69x = 941,611.33
5. Step 5: Solve for x
   x = 941,611.33/1,045.69
6. Step 6: Final answer
   x = 900.47