Finding the Fourth Proportional to 107,406.94, 148,262.91 and 71,583.88

Step by Step Solution

1. Step 1: Write the proportion equation
   107,406.94 : 148,262.91 = 71,583.88 : x
2. Step 2: Convert to fraction form
   107,406.94/148,262.91 = 71,583.88/x
3. Step 3: Cross multiply
   107,406.94x = 148,262.91 × 71,583.88
4. Step 4: Simplify right side
   107,406.94x = 10,613,234,357.89
5. Step 5: Solve for x
   x = 10,613,234,357.89/107,406.94
6. Step 6: Final answer
   x = 98,813.30