Finding the Fourth Proportional to 146,499.24, 219,809.34 and 70,559.40

Step by Step Solution

1. Step 1: Write the proportion equation
   146,499.24 : 219,809.34 = 70,559.40 : x
2. Step 2: Convert to fraction form
   146,499.24/219,809.34 = 70,559.40/x
3. Step 3: Cross multiply
   146,499.24x = 219,809.34 × 70,559.40
4. Step 4: Simplify right side
   146,499.24x = 15,509,615,144.80
5. Step 5: Solve for x
   x = 15,509,615,144.80/146,499.24
6. Step 6: Final answer
   x = 105,868.23