Finding the Fourth Proportional to 21,575,401.10, 32,362,879.71 and 12,471,706.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,575,401.10 : 32,362,879.71 = 12,471,706.34 : x
2. Step 2: Convert to fraction form
   21,575,401.10/32,362,879.71 = 12,471,706.34/x
3. Step 3: Cross multiply
   21,575,401.10x = 32,362,879.71 × 12,471,706.34
4. Step 4: Simplify right side
   21,575,401.10x = 403,620,332,059,864.38
5. Step 5: Solve for x
   x = 403,620,332,059,864.38/21,575,401.10
6. Step 6: Final answer
   x = 18,707,431.22