Finding the Fourth Proportional to 106,323.42, 146,555.29 and 71,857.37

Step by Step Solution

1. Step 1: Write the proportion equation
   106,323.42 : 146,555.29 = 71,857.37 : x
2. Step 2: Convert to fraction form
   106,323.42/146,555.29 = 71,857.37/x
3. Step 3: Cross multiply
   106,323.42x = 146,555.29 × 71,857.37
4. Step 4: Simplify right side
   106,323.42x = 10,531,077,698.99
5. Step 5: Solve for x
   x = 10,531,077,698.99/106,323.42
6. Step 6: Final answer
   x = 99,047.58