Finding the Fourth Proportional to 108,404.51, 149,580.36 and 68,089.55

Step by Step Solution

1. Step 1: Write the proportion equation
   108,404.51 : 149,580.36 = 68,089.55 : x
2. Step 2: Convert to fraction form
   108,404.51/149,580.36 = 68,089.55/x
3. Step 3: Cross multiply
   108,404.51x = 149,580.36 × 68,089.55
4. Step 4: Simplify right side
   108,404.51x = 10,184,858,653.34
5. Step 5: Solve for x
   x = 10,184,858,653.34/108,404.51
6. Step 6: Final answer
   x = 93,952.36