Finding the Fourth Proportional to 22,440.30, 30,967.47 and 12,368.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.30 : 30,967.47 = 12,368.75 : x
2. Step 2: Convert to fraction form
   22,440.30/30,967.47 = 12,368.75/x
3. Step 3: Cross multiply
   22,440.30x = 30,967.47 × 12,368.75
4. Step 4: Simplify right side
   22,440.30x = 383,028,894.56
5. Step 5: Solve for x
   x = 383,028,894.56/22,440.30
6. Step 6: Final answer
   x = 17,068.80