Finding the Fourth Proportional to 229,485,105.34, 344,300,426.26 and 81,929,499.74

Step by Step Solution

1. Step 1: Write the proportion equation
   229,485,105.34 : 344,300,426.26 = 81,929,499.74 : x
2. Step 2: Convert to fraction form
   229,485,105.34/344,300,426.26 = 81,929,499.74/x
3. Step 3: Cross multiply
   229,485,105.34x = 344,300,426.26 × 81,929,499.74
4. Step 4: Simplify right side
   229,485,105.34x = 28,208,361,683,750,556
5. Step 5: Solve for x
   x = 28,208,361,683,750,556/229,485,105.34
6. Step 6: Final answer
   x = 122,920,228.93