Finding the Fourth Proportional to 52,488, 72,563.04 and 50,284.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488 : 72,563.04 = 50,284.80 : x
2. Step 2: Convert to fraction form
   52,488/72,563.04 = 50,284.80/x
3. Step 3: Cross multiply
   52,488x = 72,563.04 × 50,284.80
4. Step 4: Simplify right side
   52,488x = 3,648,817,953.79
5. Step 5: Solve for x
   x = 3,648,817,953.79/52,488
6. Step 6: Final answer
   x = 69,517.18