Finding the Fourth Proportional to 20,096,402.22, 30,146,401.49 and 7,800,077.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,096,402.22 : 30,146,401.49 = 7,800,077.25 : x
2. Step 2: Convert to fraction form
   20,096,402.22/30,146,401.49 = 7,800,077.25/x
3. Step 3: Cross multiply
   20,096,402.22x = 30,146,401.49 × 7,800,077.25
4. Step 4: Simplify right side
   20,096,402.22x = 235,144,260,392,514.72
5. Step 5: Solve for x
   x = 235,144,260,392,514.72/20,096,402.22
6. Step 6: Final answer
   x = 11,700,813.80