Finding the Fourth Proportional to 10,530,442, 15,783,721.98 and 4,838,905.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,530,442 : 15,783,721.98 = 4,838,905.72 : x
2. Step 2: Convert to fraction form
   10,530,442/15,783,721.98 = 4,838,905.72/x
3. Step 3: Cross multiply
   10,530,442x = 15,783,721.98 × 4,838,905.72
4. Step 4: Simplify right side
   10,530,442x = 76,375,942,571,911.72
5. Step 5: Solve for x
   x = 76,375,942,571,911.72/10,530,442
6. Step 6: Final answer
   x = 7,252,871.49