Finding the Fourth Proportional to 53,682,276.80, 80,456,265.12 and 42,277,684.16

Step by Step Solution

1. Step 1: Write the proportion equation
   53,682,276.80 : 80,456,265.12 = 42,277,684.16 : x
2. Step 2: Convert to fraction form
   53,682,276.80/80,456,265.12 = 42,277,684.16/x
3. Step 3: Cross multiply
   53,682,276.80x = 80,456,265.12 × 42,277,684.16
4. Step 4: Simplify right side
   53,682,276.80x = 3,401,504,565,436,584.50
5. Step 5: Solve for x
   x = 3,401,504,565,436,584.50/53,682,276.80
6. Step 6: Final answer
   x = 63,363,641.94