Finding the Fourth Proportional to 85,397.49, 128,081.72 and 23,053.41

Step by Step Solution

1. Step 1: Write the proportion equation
   85,397.49 : 128,081.72 = 23,053.41 : x
2. Step 2: Convert to fraction form
   85,397.49/128,081.72 = 23,053.41/x
3. Step 3: Cross multiply
   85,397.49x = 128,081.72 × 23,053.41
4. Step 4: Simplify right side
   85,397.49x = 2,952,720,289.40
5. Step 5: Solve for x
   x = 2,952,720,289.40/85,397.49
6. Step 6: Final answer
   x = 34,576.20