Finding the Fourth Proportional to 1,780.01, 2,457.58 and 1,593.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.01 : 2,457.58 = 1,593.18 : x
2. Step 2: Convert to fraction form
   1,780.01/2,457.58 = 1,593.18/x
3. Step 3: Cross multiply
   1,780.01x = 2,457.58 × 1,593.18
4. Step 4: Simplify right side
   1,780.01x = 3,915,359.34
5. Step 5: Solve for x
   x = 3,915,359.34/1,780.01
6. Step 6: Final answer
   x = 2,199.62