Finding the Fourth Proportional to 12,196,047.67, 18,294,171.27 and 3,998,570.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196,047.67 : 18,294,171.27 = 3,998,570.25 : x
2. Step 2: Convert to fraction form
   12,196,047.67/18,294,171.27 = 3,998,570.25/x
3. Step 3: Cross multiply
   12,196,047.67x = 18,294,171.27 × 3,998,570.25
4. Step 4: Simplify right side
   12,196,047.67x = 73,150,528,897,155.86
5. Step 5: Solve for x
   x = 73,150,528,897,155.86/12,196,047.67
6. Step 6: Final answer
   x = 5,997,888.08