Finding the Fourth Proportional to 11,109,528.40, 16,660,881.01 and 3,919,380.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109,528.40 : 16,660,881.01 = 3,919,380.79 : x
2. Step 2: Convert to fraction form
   11,109,528.40/16,660,881.01 = 3,919,380.79/x
3. Step 3: Cross multiply
   11,109,528.40x = 16,660,881.01 × 3,919,380.79
4. Step 4: Simplify right side
   11,109,528.40x = 65,300,336,872,168.49
5. Step 5: Solve for x
   x = 65,300,336,872,168.49/11,109,528.40
6. Step 6: Final answer
   x = 5,877,867.59