Finding the Fourth Proportional to 16,978,938.68, 25,468,415.92 and 5,464,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978,938.68 : 25,468,415.92 = 5,464,404.32 : x
2. Step 2: Convert to fraction form
   16,978,938.68/25,468,415.92 = 5,464,404.32/x
3. Step 3: Cross multiply
   16,978,938.68x = 25,468,415.92 × 5,464,404.32
4. Step 4: Simplify right side
   16,978,938.68x = 139,169,721,976,804.80
5. Step 5: Solve for x
   x = 139,169,721,976,804.80/16,978,938.68
6. Step 6: Final answer
   x = 8,196,609.02