Finding the Fourth Proportional to 1,382.50, 1,907.80 and 753.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.50 : 1,907.80 = 753.02 : x
2. Step 2: Convert to fraction form
   1,382.50/1,907.80 = 753.02/x
3. Step 3: Cross multiply
   1,382.50x = 1,907.80 × 753.02
4. Step 4: Simplify right side
   1,382.50x = 1,436,611.56
5. Step 5: Solve for x
   x = 1,436,611.56/1,382.50
6. Step 6: Final answer
   x = 1,039.14