Finding the Fourth Proportional to 22,376.57, 30,871.98 and 13,875.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,376.57 : 30,871.98 = 13,875.63 : x
2. Step 2: Convert to fraction form
   22,376.57/30,871.98 = 13,875.63/x
3. Step 3: Cross multiply
   22,376.57x = 30,871.98 × 13,875.63
4. Step 4: Simplify right side
   22,376.57x = 428,368,171.85
5. Step 5: Solve for x
   x = 428,368,171.85/22,376.57
6. Step 6: Final answer
   x = 19,143.60