Finding the Fourth Proportional to 23,123.94, 34,685.36 and 13,255.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.94 : 34,685.36 = 13,255.98 : x
2. Step 2: Convert to fraction form
   23,123.94/34,685.36 = 13,255.98/x
3. Step 3: Cross multiply
   23,123.94x = 34,685.36 × 13,255.98
4. Step 4: Simplify right side
   23,123.94x = 459,788,438.45
5. Step 5: Solve for x
   x = 459,788,438.45/23,123.94
6. Step 6: Final answer
   x = 19,883.65