Finding the Fourth Proportional to 53,399,694.54, 80,499,776.49 and 49,840,337.67

Step by Step Solution

1. Step 1: Write the proportion equation
   53,399,694.54 : 80,499,776.49 = 49,840,337.67 : x
2. Step 2: Convert to fraction form
   53,399,694.54/80,499,776.49 = 49,840,337.67/x
3. Step 3: Cross multiply
   53,399,694.54x = 80,499,776.49 × 49,840,337.67
4. Step 4: Simplify right side
   53,399,694.54x = 4,012,136,042,621,127.50
5. Step 5: Solve for x
   x = 4,012,136,042,621,127.50/53,399,694.54
6. Step 6: Final answer
   x = 75,134,063.54