Finding the Fourth Proportional to 110,871.98, 152,823.59 and 86,630.56

Step by Step Solution

1. Step 1: Write the proportion equation
   110,871.98 : 152,823.59 = 86,630.56 : x
2. Step 2: Convert to fraction form
   110,871.98/152,823.59 = 86,630.56/x
3. Step 3: Cross multiply
   110,871.98x = 152,823.59 × 86,630.56
4. Step 4: Simplify right side
   110,871.98x = 13,239,193,182.91
5. Step 5: Solve for x
   x = 13,239,193,182.91/110,871.98
6. Step 6: Final answer
   x = 119,409.73