Finding the Fourth Proportional to 13,403,016.16, 20,101,202.69 and 3,818,477.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,403,016.16 : 20,101,202.69 = 3,818,477.72 : x
2. Step 2: Convert to fraction form
   13,403,016.16/20,101,202.69 = 3,818,477.72/x
3. Step 3: Cross multiply
   13,403,016.16x = 20,101,202.69 × 3,818,477.72
4. Step 4: Simplify right side
   13,403,016.16x = 76,755,994,648,129.69
5. Step 5: Solve for x
   x = 76,755,994,648,129.69/13,403,016.16
6. Step 6: Final answer
   x = 5,726,770.28