Finding the Fourth Proportional to 50,160,993.72, 69,216,636.60 and 28,129,959.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,160,993.72 : 69,216,636.60 = 28,129,959.42 : x
2. Step 2: Convert to fraction form
   50,160,993.72/69,216,636.60 = 28,129,959.42/x
3. Step 3: Cross multiply
   50,160,993.72x = 69,216,636.60 × 28,129,959.42
4. Step 4: Simplify right side
   50,160,993.72x = 1,947,061,178,746,886.75
5. Step 5: Solve for x
   x = 1,947,061,178,746,886.75/50,160,993.72
6. Step 6: Final answer
   x = 38,816,240.16