Finding the Fourth Proportional to 109,407.98, 164,046.26 and 42,768.74

Step by Step Solution

1. Step 1: Write the proportion equation
   109,407.98 : 164,046.26 = 42,768.74 : x
2. Step 2: Convert to fraction form
   109,407.98/164,046.26 = 42,768.74/x
3. Step 3: Cross multiply
   109,407.98x = 164,046.26 × 42,768.74
4. Step 4: Simplify right side
   109,407.98x = 7,016,052,358.95
5. Step 5: Solve for x
   x = 7,016,052,358.95/109,407.98
6. Step 6: Final answer
   x = 64,127.43