Finding the Fourth Proportional to 70,538.54, 105,813.96 and 23,139.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,538.54 : 105,813.96 = 23,139.42 : x
2. Step 2: Convert to fraction form
   70,538.54/105,813.96 = 23,139.42/x
3. Step 3: Cross multiply
   70,538.54x = 105,813.96 × 23,139.42
4. Step 4: Simplify right side
   70,538.54x = 2,448,473,662.30
5. Step 5: Solve for x
   x = 2,448,473,662.30/70,538.54
6. Step 6: Final answer
   x = 34,711.15