Finding the Fourth Proportional to 1,788.72, 2,467.60 and 1,159.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.72 : 2,467.60 = 1,159.46 : x
2. Step 2: Convert to fraction form
   1,788.72/2,467.60 = 1,159.46/x
3. Step 3: Cross multiply
   1,788.72x = 2,467.60 × 1,159.46
4. Step 4: Simplify right side
   1,788.72x = 2,861,068.26
5. Step 5: Solve for x
   x = 2,861,068.26/1,788.72
6. Step 6: Final answer
   x = 1,599.51