Finding the Fourth Proportional to 7,144,573.45, 9,860,356.61 and 4,243,975.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144,573.45 : 9,860,356.61 = 4,243,975.78 : x
2. Step 2: Convert to fraction form
   7,144,573.45/9,860,356.61 = 4,243,975.78/x
3. Step 3: Cross multiply
   7,144,573.45x = 9,860,356.61 × 4,243,975.78
4. Step 4: Simplify right side
   7,144,573.45x = 41,847,114,635,002.91
5. Step 5: Solve for x
   x = 41,847,114,635,002.91/7,144,573.45
6. Step 6: Final answer
   x = 5,857,188.67