Finding the Fourth Proportional to 1,788.74, 2,466.59 and 1,415.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.74 : 2,466.59 = 1,415.12 : x
2. Step 2: Convert to fraction form
   1,788.74/2,466.59 = 1,415.12/x
3. Step 3: Cross multiply
   1,788.74x = 2,466.59 × 1,415.12
4. Step 4: Simplify right side
   1,788.74x = 3,490,501.43
5. Step 5: Solve for x
   x = 3,490,501.43/1,788.74
6. Step 6: Final answer
   x = 1,951.38