Finding the Fourth Proportional to 109,499.60, 164,249.06 and 26,393.60

Step by Step Solution

1. Step 1: Write the proportion equation
   109,499.60 : 164,249.06 = 26,393.60 : x
2. Step 2: Convert to fraction form
   109,499.60/164,249.06 = 26,393.60/x
3. Step 3: Cross multiply
   109,499.60x = 164,249.06 × 26,393.60
4. Step 4: Simplify right side
   109,499.60x = 4,335,123,990.02
5. Step 5: Solve for x
   x = 4,335,123,990.02/109,499.60
6. Step 6: Final answer
   x = 39,590.32