Finding the Fourth Proportional to 140,448.50, 193,803.72 and 83,089.96

Step by Step Solution

1. Step 1: Write the proportion equation
   140,448.50 : 193,803.72 = 83,089.96 : x
2. Step 2: Convert to fraction form
   140,448.50/193,803.72 = 83,089.96/x
3. Step 3: Cross multiply
   140,448.50x = 193,803.72 × 83,089.96
4. Step 4: Simplify right side
   140,448.50x = 16,103,143,342.65
5. Step 5: Solve for x
   x = 16,103,143,342.65/140,448.50
6. Step 6: Final answer
   x = 114,655.15