Finding the Fourth Proportional to 5,570.86, 8,351.06 and 1,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,570.86 : 8,351.06 = 1,870.50 : x
2. Step 2: Convert to fraction form
   5,570.86/8,351.06 = 1,870.50/x
3. Step 3: Cross multiply
   5,570.86x = 8,351.06 × 1,870.50
4. Step 4: Simplify right side
   5,570.86x = 15,620,655.39
5. Step 5: Solve for x
   x = 15,620,655.39/5,570.86
6. Step 6: Final answer
   x = 2,803.99