Finding the Fourth Proportional to 193,041.37, 266,399.72 and 108,156.61

Step by Step Solution

1. Step 1: Write the proportion equation
   193,041.37 : 266,399.72 = 108,156.61 : x
2. Step 2: Convert to fraction form
   193,041.37/266,399.72 = 108,156.61/x
3. Step 3: Cross multiply
   193,041.37x = 266,399.72 × 108,156.61
4. Step 4: Simplify right side
   193,041.37x = 28,812,890,620.15
5. Step 5: Solve for x
   x = 28,812,890,620.15/193,041.37
6. Step 6: Final answer
   x = 149,257.59