Finding the Fourth Proportional to 23,127.82, 31,916.50 and 13,056.70

Step by Step Solution

1. Step 1: Write the proportion equation
   23,127.82 : 31,916.50 = 13,056.70 : x
2. Step 2: Convert to fraction form
   23,127.82/31,916.50 = 13,056.70/x
3. Step 3: Cross multiply
   23,127.82x = 31,916.50 × 13,056.70
4. Step 4: Simplify right side
   23,127.82x = 416,724,165.55
5. Step 5: Solve for x
   x = 416,724,165.55/23,127.82
6. Step 6: Final answer
   x = 18,018.31