Finding the Fourth Proportional to 146,012.01, 218,964.56 and 71,109.69

Step by Step Solution

1. Step 1: Write the proportion equation
   146,012.01 : 218,964.56 = 71,109.69 : x
2. Step 2: Convert to fraction form
   146,012.01/218,964.56 = 71,109.69/x
3. Step 3: Cross multiply
   146,012.01x = 218,964.56 × 71,109.69
4. Step 4: Simplify right side
   146,012.01x = 15,570,501,627.04
5. Step 5: Solve for x
   x = 15,570,501,627.04/146,012.01
6. Step 6: Final answer
   x = 106,638.50