Finding the Fourth Proportional to 22,571.76, 31,113 and 17,784.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,571.76 : 31,113 = 17,784.12 : x
2. Step 2: Convert to fraction form
   22,571.76/31,113 = 17,784.12/x
3. Step 3: Cross multiply
   22,571.76x = 31,113 × 17,784.12
4. Step 4: Simplify right side
   22,571.76x = 553,317,325.56
5. Step 5: Solve for x
   x = 553,317,325.56/22,571.76
6. Step 6: Final answer
   x = 24,513.70