Finding the Fourth Proportional to 108,562.33, 149,889.15 and 67,788.55

Step by Step Solution

1. Step 1: Write the proportion equation
   108,562.33 : 149,889.15 = 67,788.55 : x
2. Step 2: Convert to fraction form
   108,562.33/149,889.15 = 67,788.55/x
3. Step 3: Cross multiply
   108,562.33x = 149,889.15 × 67,788.55
4. Step 4: Simplify right side
   108,562.33x = 10,160,768,139.23
5. Step 5: Solve for x
   x = 10,160,768,139.23/108,562.33
6. Step 6: Final answer
   x = 93,593.87