Finding the Fourth Proportional to 109,939.98, 164,799.33 and 43,427.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,939.98 : 164,799.33 = 43,427.28 : x
2. Step 2: Convert to fraction form
   109,939.98/164,799.33 = 43,427.28/x
3. Step 3: Cross multiply
   109,939.98x = 164,799.33 × 43,427.28
4. Step 4: Simplify right side
   109,939.98x = 7,156,786,647.72
5. Step 5: Solve for x
   x = 7,156,786,647.72/109,939.98
6. Step 6: Final answer
   x = 65,097.22