Finding the Fourth Proportional to 1,069.32, 1,598.96 and 977.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.32 : 1,598.96 = 977.52 : x
2. Step 2: Convert to fraction form
   1,069.32/1,598.96 = 977.52/x
3. Step 3: Cross multiply
   1,069.32x = 1,598.96 × 977.52
4. Step 4: Simplify right side
   1,069.32x = 1,563,015.38
5. Step 5: Solve for x
   x = 1,563,015.38/1,069.32
6. Step 6: Final answer
   x = 1,461.69