Finding the Fourth Proportional to 13,657,085.69, 20,487,007.46 and 4,434,672.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,657,085.69 : 20,487,007.46 = 4,434,672.58 : x
2. Step 2: Convert to fraction form
   13,657,085.69/20,487,007.46 = 4,434,672.58/x
3. Step 3: Cross multiply
   13,657,085.69x = 20,487,007.46 × 4,434,672.58
4. Step 4: Simplify right side
   13,657,085.69x = 90,853,170,188,986.59
5. Step 5: Solve for x
   x = 90,853,170,188,986.59/13,657,085.69
6. Step 6: Final answer
   x = 6,652,456.63