Finding the Fourth Proportional to 107,917.57, 149,020.27 and 67,700.46

Step by Step Solution

1. Step 1: Write the proportion equation
   107,917.57 : 149,020.27 = 67,700.46 : x
2. Step 2: Convert to fraction form
   107,917.57/149,020.27 = 67,700.46/x
3. Step 3: Cross multiply
   107,917.57x = 149,020.27 × 67,700.46
4. Step 4: Simplify right side
   107,917.57x = 10,088,740,828.32
5. Step 5: Solve for x
   x = 10,088,740,828.32/107,917.57
6. Step 6: Final answer
   x = 93,485.62