Finding the Fourth Proportional to 22,870.72, 34,312.56 and 11,785.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.72 : 34,312.56 = 11,785.48 : x
2. Step 2: Convert to fraction form
   22,870.72/34,312.56 = 11,785.48/x
3. Step 3: Cross multiply
   22,870.72x = 34,312.56 × 11,785.48
4. Step 4: Simplify right side
   22,870.72x = 404,389,989.63
5. Step 5: Solve for x
   x = 404,389,989.63/22,870.72
6. Step 6: Final answer
   x = 17,681.56