Finding the Fourth Proportional to 11,098,356.94, 16,648,869.21 and 3,908,404.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,098,356.94 : 16,648,869.21 = 3,908,404.78 : x
2. Step 2: Convert to fraction form
   11,098,356.94/16,648,869.21 = 3,908,404.78/x
3. Step 3: Cross multiply
   11,098,356.94x = 16,648,869.21 × 3,908,404.78
4. Step 4: Simplify right side
   11,098,356.94x = 65,070,520,001,958.82
5. Step 5: Solve for x
   x = 65,070,520,001,958.82/11,098,356.94
6. Step 6: Final answer
   x = 5,863,076.88