Finding the Fourth Proportional to 23,068,242.72, 34,607,612.88 and 12,279,859.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,068,242.72 : 34,607,612.88 = 12,279,859.20 : x
2. Step 2: Convert to fraction form
   23,068,242.72/34,607,612.88 = 12,279,859.20/x
3. Step 3: Cross multiply
   23,068,242.72x = 34,607,612.88 × 12,279,859.20
4. Step 4: Simplify right side
   23,068,242.72x = 424,976,613,414,506.50
5. Step 5: Solve for x
   x = 424,976,613,414,506.50/23,068,242.72
6. Step 6: Final answer
   x = 18,422,582.88