Finding the Fourth Proportional to 109,499.54, 164,292.23 and 42,928.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,499.54 : 164,292.23 = 42,928.27 : x
2. Step 2: Convert to fraction form
   109,499.54/164,292.23 = 42,928.27/x
3. Step 3: Cross multiply
   109,499.54x = 164,292.23 × 42,928.27
4. Step 4: Simplify right side
   109,499.54x = 7,052,780,904.93
5. Step 5: Solve for x
   x = 7,052,780,904.93/109,499.54
6. Step 6: Final answer
   x = 64,409.23