Finding the Fourth Proportional to 22,528.96, 31,090.16 and 12,592.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,528.96 : 31,090.16 = 12,592.96 : x
2. Step 2: Convert to fraction form
   22,528.96/31,090.16 = 12,592.96/x
3. Step 3: Cross multiply
   22,528.96x = 31,090.16 × 12,592.96
4. Step 4: Simplify right side
   22,528.96x = 391,517,141.27
5. Step 5: Solve for x
   x = 391,517,141.27/22,528.96
6. Step 6: Final answer
   x = 17,378.39