Finding the Fourth Proportional to 1,445.02, 2,167.34 and 751.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.02 : 2,167.34 = 751.30 : x
2. Step 2: Convert to fraction form
   1,445.02/2,167.34 = 751.30/x
3. Step 3: Cross multiply
   1,445.02x = 2,167.34 × 751.30
4. Step 4: Simplify right side
   1,445.02x = 1,628,322.54
5. Step 5: Solve for x
   x = 1,628,322.54/1,445.02
6. Step 6: Final answer
   x = 1,126.85