Finding the Fourth Proportional to 107,871.56, 148,523.98 and 91,707.06

Step by Step Solution

1. Step 1: Write the proportion equation
   107,871.56 : 148,523.98 = 91,707.06 : x
2. Step 2: Convert to fraction form
   107,871.56/148,523.98 = 91,707.06/x
3. Step 3: Cross multiply
   107,871.56x = 148,523.98 × 91,707.06
4. Step 4: Simplify right side
   107,871.56x = 13,620,697,545.30
5. Step 5: Solve for x
   x = 13,620,697,545.30/107,871.56
6. Step 6: Final answer
   x = 126,267.73