Finding the Fourth Proportional to 10,347,776.55, 15,521,664.83 and 10,135,200.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,347,776.55 : 15,521,664.83 = 10,135,200.15 : x
2. Step 2: Convert to fraction form
   10,347,776.55/15,521,664.83 = 10,135,200.15/x
3. Step 3: Cross multiply
   10,347,776.55x = 15,521,664.83 × 10,135,200.15
4. Step 4: Simplify right side
   10,347,776.55x = 157,315,179,662,589.72
5. Step 5: Solve for x
   x = 157,315,179,662,589.72/10,347,776.55
6. Step 6: Final answer
   x = 15,202,800.23