Finding the Fourth Proportional to 42,911,120.27, 64,395,300.92 and 15,617,405.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,911,120.27 : 64,395,300.92 = 15,617,405.49 : x
2. Step 2: Convert to fraction form
   42,911,120.27/64,395,300.92 = 15,617,405.49/x
3. Step 3: Cross multiply
   42,911,120.27x = 64,395,300.92 × 15,617,405.49
4. Step 4: Simplify right side
   42,911,120.27x = 1,005,687,526,040,123
5. Step 5: Solve for x
   x = 1,005,687,526,040,123/42,911,120.27
6. Step 6: Final answer
   x = 23,436,524.61