Finding the Fourth Proportional to 109,707.12, 164,560.72 and 26,601.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,707.12 : 164,560.72 = 26,601.12 : x
2. Step 2: Convert to fraction form
   109,707.12/164,560.72 = 26,601.12/x
3. Step 3: Cross multiply
   109,707.12x = 164,560.72 × 26,601.12
4. Step 4: Simplify right side
   109,707.12x = 4,377,499,460.01
5. Step 5: Solve for x
   x = 4,377,499,460.01/109,707.12
6. Step 6: Final answer
   x = 39,901.69