Finding the Fourth Proportional to 3,912.59, 5,870.81 and 1,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.59 : 5,870.81 = 1,572.50 : x
2. Step 2: Convert to fraction form
   3,912.59/5,870.81 = 1,572.50/x
3. Step 3: Cross multiply
   3,912.59x = 5,870.81 × 1,572.50
4. Step 4: Simplify right side
   3,912.59x = 9,231,867.33
5. Step 5: Solve for x
   x = 9,231,867.33/3,912.59
6. Step 6: Final answer
   x = 2,359.53