Finding the Fourth Proportional to 1,064.52, 1,468.60 and 715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.52 : 1,468.60 = 715.32 : x
2. Step 2: Convert to fraction form
   1,064.52/1,468.60 = 715.32/x
3. Step 3: Cross multiply
   1,064.52x = 1,468.60 × 715.32
4. Step 4: Simplify right side
   1,064.52x = 1,050,518.95
5. Step 5: Solve for x
   x = 1,050,518.95/1,064.52
6. Step 6: Final answer
   x = 986.85