Finding the Fourth Proportional to 1,788.45, 2,667.06 and 1,570.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.45 : 2,667.06 = 1,570.12 : x
2. Step 2: Convert to fraction form
   1,788.45/2,667.06 = 1,570.12/x
3. Step 3: Cross multiply
   1,788.45x = 2,667.06 × 1,570.12
4. Step 4: Simplify right side
   1,788.45x = 4,187,597.58
5. Step 5: Solve for x
   x = 4,187,597.58/1,788.45
6. Step 6: Final answer
   x = 2,341.47