Finding the Fourth Proportional to 47,389,411.49, 71,086,872.86 and 13,313,414.57

Step by Step Solution

1. Step 1: Write the proportion equation
   47,389,411.49 : 71,086,872.86 = 13,313,414.57 : x
2. Step 2: Convert to fraction form
   47,389,411.49/71,086,872.86 = 13,313,414.57/x
3. Step 3: Cross multiply
   47,389,411.49x = 71,086,872.86 × 13,313,414.57
4. Step 4: Simplify right side
   47,389,411.49x = 946,409,008,803,494.62
5. Step 5: Solve for x
   x = 946,409,008,803,494.62/47,389,411.49
6. Step 6: Final answer
   x = 19,970,896.01