Finding the Fourth Proportional to 115,852.98, 159,863.58 and 64,868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   115,852.98 : 159,863.58 = 64,868.52 : x
2. Step 2: Convert to fraction form
   115,852.98/159,863.58 = 64,868.52/x
3. Step 3: Cross multiply
   115,852.98x = 159,863.58 × 64,868.52
4. Step 4: Simplify right side
   115,852.98x = 10,370,113,836.50
5. Step 5: Solve for x
   x = 10,370,113,836.50/115,852.98
6. Step 6: Final answer
   x = 89,510.98