Finding the Fourth Proportional to 109,619.16, 164,428.82 and 26,513.24

Step by Step Solution

1. Step 1: Write the proportion equation
   109,619.16 : 164,428.82 = 26,513.24 : x
2. Step 2: Convert to fraction form
   109,619.16/164,428.82 = 26,513.24/x
3. Step 3: Cross multiply
   109,619.16x = 164,428.82 × 26,513.24
4. Step 4: Simplify right side
   109,619.16x = 4,359,540,767.58
5. Step 5: Solve for x
   x = 4,359,540,767.58/109,619.16
6. Step 6: Final answer
   x = 39,769.88