Finding the Fourth Proportional to 162,340,662.70, 243,510,994.05 and 123,598,613.80

Step by Step Solution

1. Step 1: Write the proportion equation
   162,340,662.70 : 243,510,994.05 = 123,598,613.80 : x
2. Step 2: Convert to fraction form
   162,340,662.70/243,510,994.05 = 123,598,613.80/x
3. Step 3: Cross multiply
   162,340,662.70x = 243,510,994.05 × 123,598,613.80
4. Step 4: Simplify right side
   162,340,662.70x = 30,097,621,309,640,048
5. Step 5: Solve for x
   x = 30,097,621,309,640,048/162,340,662.70
6. Step 6: Final answer
   x = 185,397,920.70