Finding the Fourth Proportional to 1,087.02, 1,501.72 and 756.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.02 : 1,501.72 = 756.59 : x
2. Step 2: Convert to fraction form
   1,087.02/1,501.72 = 756.59/x
3. Step 3: Cross multiply
   1,087.02x = 1,501.72 × 756.59
4. Step 4: Simplify right side
   1,087.02x = 1,136,176.93
5. Step 5: Solve for x
   x = 1,136,176.93/1,087.02
6. Step 6: Final answer
   x = 1,045.22