Finding the Fourth Proportional to 1,064.03, 1,597.55 and 651.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.03 : 1,597.55 = 651.90 : x
2. Step 2: Convert to fraction form
   1,064.03/1,597.55 = 651.90/x
3. Step 3: Cross multiply
   1,064.03x = 1,597.55 × 651.90
4. Step 4: Simplify right side
   1,064.03x = 1,041,439.59
5. Step 5: Solve for x
   x = 1,041,439.59/1,064.03
6. Step 6: Final answer
   x = 978.77