Finding the Fourth Proportional to 18,395,968.42, 25,378,460.17 and 10,949,454.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,395,968.42 : 25,378,460.17 = 10,949,454.72 : x
2. Step 2: Convert to fraction form
   18,395,968.42/25,378,460.17 = 10,949,454.72/x
3. Step 3: Cross multiply
   18,395,968.42x = 25,378,460.17 × 10,949,454.72
4. Step 4: Simplify right side
   18,395,968.42x = 277,880,300,634,055.19
5. Step 5: Solve for x
   x = 277,880,300,634,055.19/18,395,968.42
6. Step 6: Final answer
   x = 15,105,499.98