Finding the Fourth Proportional to 18,372,918.78, 25,354,426.72 and 10,112,804.46

Step by Step Solution

1. Step 1: Write the proportion equation
   18,372,918.78 : 25,354,426.72 = 10,112,804.46 : x
2. Step 2: Convert to fraction form
   18,372,918.78/25,354,426.72 = 10,112,804.46/x
3. Step 3: Cross multiply
   18,372,918.78x = 25,354,426.72 × 10,112,804.46
4. Step 4: Simplify right side
   18,372,918.78x = 256,404,359,614,759.19
5. Step 5: Solve for x
   x = 256,404,359,614,759.19/18,372,918.78
6. Step 6: Final answer
   x = 13,955,559.41