Finding the Fourth Proportional to 1,063.60, 1,467.72 and 591.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.60 : 1,467.72 = 591.47 : x
2. Step 2: Convert to fraction form
   1,063.60/1,467.72 = 591.47/x
3. Step 3: Cross multiply
   1,063.60x = 1,467.72 × 591.47
4. Step 4: Simplify right side
   1,063.60x = 868,110.51
5. Step 5: Solve for x
   x = 868,110.51/1,063.60
6. Step 6: Final answer
   x = 816.20