Finding the Fourth Proportional to 22,448.04, 30,978.51 and 12,376.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,448.04 : 30,978.51 = 12,376.84 : x
2. Step 2: Convert to fraction form
   22,448.04/30,978.51 = 12,376.84/x
3. Step 3: Cross multiply
   22,448.04x = 30,978.51 × 12,376.84
4. Step 4: Simplify right side
   22,448.04x = 383,416,061.71
5. Step 5: Solve for x
   x = 383,416,061.71/22,448.04
6. Step 6: Final answer
   x = 17,080.16