Finding the Fourth Proportional to 57,456.48, 86,155.56 and 26,265

Step by Step Solution

1. Step 1: Write the proportion equation
   57,456.48 : 86,155.56 = 26,265 : x
2. Step 2: Convert to fraction form
   57,456.48/86,155.56 = 26,265/x
3. Step 3: Cross multiply
   57,456.48x = 86,155.56 × 26,265
4. Step 4: Simplify right side
   57,456.48x = 2,262,875,783.40
5. Step 5: Solve for x
   x = 2,262,875,783.40/57,456.48
6. Step 6: Final answer
   x = 39,384.17