Finding the Fourth Proportional to 22,307.01, 30,783.42 and 12,875.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,307.01 : 30,783.42 = 12,875.37 : x
2. Step 2: Convert to fraction form
   22,307.01/30,783.42 = 12,875.37/x
3. Step 3: Cross multiply
   22,307.01x = 30,783.42 × 12,875.37
4. Step 4: Simplify right side
   22,307.01x = 396,347,922.37
5. Step 5: Solve for x
   x = 396,347,922.37/22,307.01
6. Step 6: Final answer
   x = 17,767.86