Finding the Fourth Proportional to 107,709.75, 148,642.89 and 67,410.63

Step by Step Solution

1. Step 1: Write the proportion equation
   107,709.75 : 148,642.89 = 67,410.63 : x
2. Step 2: Convert to fraction form
   107,709.75/148,642.89 = 67,410.63/x
3. Step 3: Cross multiply
   107,709.75x = 148,642.89 × 67,410.63
4. Step 4: Simplify right side
   107,709.75x = 10,020,110,859.92
5. Step 5: Solve for x
   x = 10,020,110,859.92/107,709.75
6. Step 6: Final answer
   x = 93,028.82