Finding the Fourth Proportional to 70,397.48, 105,585.18 and 23,012.20

Step by Step Solution

1. Step 1: Write the proportion equation
   70,397.48 : 105,585.18 = 23,012.20 : x
2. Step 2: Convert to fraction form
   70,397.48/105,585.18 = 23,012.20/x
3. Step 3: Cross multiply
   70,397.48x = 105,585.18 × 23,012.20
4. Step 4: Simplify right side
   70,397.48x = 2,429,747,279.20
5. Step 5: Solve for x
   x = 2,429,747,279.20/70,397.48
6. Step 6: Final answer
   x = 34,514.69