Finding the Fourth Proportional to 22,345.77, 30,837.88 and 12,914.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,345.77 : 30,837.88 = 12,914.34 : x
2. Step 2: Convert to fraction form
   22,345.77/30,837.88 = 12,914.34/x
3. Step 3: Cross multiply
   22,345.77x = 30,837.88 × 12,914.34
4. Step 4: Simplify right side
   22,345.77x = 398,250,767.70
5. Step 5: Solve for x
   x = 398,250,767.70/22,345.77
6. Step 6: Final answer
   x = 17,822.20