Finding the Fourth Proportional to 23,137.94, 31,927.98 and 13,445.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.94 : 31,927.98 = 13,445.88 : x
2. Step 2: Convert to fraction form
   23,137.94/31,927.98 = 13,445.88/x
3. Step 3: Cross multiply
   23,137.94x = 31,927.98 × 13,445.88
4. Step 4: Simplify right side
   23,137.94x = 429,299,787.72
5. Step 5: Solve for x
   x = 429,299,787.72/23,137.94
6. Step 6: Final answer
   x = 18,553.93