Finding the Fourth Proportional to 40,892.59, 56,428.97 and 22,990.37

Step by Step Solution

1. Step 1: Write the proportion equation
   40,892.59 : 56,428.97 = 22,990.37 : x
2. Step 2: Convert to fraction form
   40,892.59/56,428.97 = 22,990.37/x
3. Step 3: Cross multiply
   40,892.59x = 56,428.97 × 22,990.37
4. Step 4: Simplify right side
   40,892.59x = 1,297,323,097.57
5. Step 5: Solve for x
   x = 1,297,323,097.57/40,892.59
6. Step 6: Final answer
   x = 31,725.14