Finding the Fourth Proportional to 50,621.63, 69,886.46 and 45,015.62

Step by Step Solution

1. Step 1: Write the proportion equation
   50,621.63 : 69,886.46 = 45,015.62 : x
2. Step 2: Convert to fraction form
   50,621.63/69,886.46 = 45,015.62/x
3. Step 3: Cross multiply
   50,621.63x = 69,886.46 × 45,015.62
4. Step 4: Simplify right side
   50,621.63x = 3,145,982,089.61
5. Step 5: Solve for x
   x = 3,145,982,089.61/50,621.63
6. Step 6: Final answer
   x = 62,147.00