Finding the Fourth Proportional to 110,869.98, 152,820.83 and 86,628.56

Step by Step Solution

1. Step 1: Write the proportion equation
   110,869.98 : 152,820.83 = 86,628.56 : x
2. Step 2: Convert to fraction form
   110,869.98/152,820.83 = 86,628.56/x
3. Step 3: Cross multiply
   110,869.98x = 152,820.83 × 86,628.56
4. Step 4: Simplify right side
   110,869.98x = 13,238,647,842.28
5. Step 5: Solve for x
   x = 13,238,647,842.28/110,869.98
6. Step 6: Final answer
   x = 119,406.96