Finding the Fourth Proportional to 64,016.54, 88,277.28 and 42,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,016.54 : 88,277.28 = 42,498.72 : x
2. Step 2: Convert to fraction form
   64,016.54/88,277.28 = 42,498.72/x
3. Step 3: Cross multiply
   64,016.54x = 88,277.28 × 42,498.72
4. Step 4: Simplify right side
   64,016.54x = 3,751,671,405.08
5. Step 5: Solve for x
   x = 3,751,671,405.08/64,016.54
6. Step 6: Final answer
   x = 58,604.72