Finding the Fourth Proportional to 2,188.86, 3,277.89 and 1,570.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.86 : 3,277.89 = 1,570.02 : x
2. Step 2: Convert to fraction form
   2,188.86/3,277.89 = 1,570.02/x
3. Step 3: Cross multiply
   2,188.86x = 3,277.89 × 1,570.02
4. Step 4: Simplify right side
   2,188.86x = 5,146,352.86
5. Step 5: Solve for x
   x = 5,146,352.86/2,188.86
6. Step 6: Final answer
   x = 2,351.16