Finding the Fourth Proportional to 1,061.84, 1,591.88 and 446.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.84 : 1,591.88 = 446.01 : x
2. Step 2: Convert to fraction form
   1,061.84/1,591.88 = 446.01/x
3. Step 3: Cross multiply
   1,061.84x = 1,591.88 × 446.01
4. Step 4: Simplify right side
   1,061.84x = 709,992.17
5. Step 5: Solve for x
   x = 709,992.17/1,061.84
6. Step 6: Final answer
   x = 668.65