Finding the Fourth Proportional to 56,665.58, 84,994.72 and 17,223.03

Step by Step Solution

1. Step 1: Write the proportion equation
   56,665.58 : 84,994.72 = 17,223.03 : x
2. Step 2: Convert to fraction form
   56,665.58/84,994.72 = 17,223.03/x
3. Step 3: Cross multiply
   56,665.58x = 84,994.72 × 17,223.03
4. Step 4: Simplify right side
   56,665.58x = 1,463,866,569.34
5. Step 5: Solve for x
   x = 1,463,866,569.34/56,665.58
6. Step 6: Final answer
   x = 25,833.44