Finding the Fourth Proportional to 31,332,238.72, 46,996,139.42 and 8,302,663.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,332,238.72 : 46,996,139.42 = 8,302,663.36 : x
2. Step 2: Convert to fraction form
   31,332,238.72/46,996,139.42 = 8,302,663.36/x
3. Step 3: Cross multiply
   31,332,238.72x = 46,996,139.42 × 8,302,663.36
4. Step 4: Simplify right side
   31,332,238.72x = 390,193,124,823,885.69
5. Step 5: Solve for x
   x = 390,193,124,823,885.69/31,332,238.72
6. Step 6: Final answer
   x = 12,453,407.12