Finding the Fourth Proportional to 115,238.22, 172,862.81 and 56,003.33

Step by Step Solution

1. Step 1: Write the proportion equation
   115,238.22 : 172,862.81 = 56,003.33 : x
2. Step 2: Convert to fraction form
   115,238.22/172,862.81 = 56,003.33/x
3. Step 3: Cross multiply
   115,238.22x = 172,862.81 × 56,003.33
4. Step 4: Simplify right side
   115,238.22x = 9,680,891,848.83
5. Step 5: Solve for x
   x = 9,680,891,848.83/115,238.22
6. Step 6: Final answer
   x = 84,007.65