Finding the Fourth Proportional to 11,109,531.40, 16,660,885.50 and 3,919,383.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109,531.40 : 16,660,885.50 = 3,919,383.80 : x
2. Step 2: Convert to fraction form
   11,109,531.40/16,660,885.50 = 3,919,383.80/x
3. Step 3: Cross multiply
   11,109,531.40x = 16,660,885.50 × 3,919,383.80
4. Step 4: Simplify right side
   11,109,531.40x = 65,300,404,722,354.90
5. Step 5: Solve for x
   x = 65,300,404,722,354.90/11,109,531.40
6. Step 6: Final answer
   x = 5,877,872.11