Finding the Fourth Proportional to 10,995,005.70, 16,495,964.55 and 5,315,415.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995,005.70 : 16,495,964.55 = 5,315,415.30 : x
2. Step 2: Convert to fraction form
   10,995,005.70/16,495,964.55 = 5,315,415.30/x
3. Step 3: Cross multiply
   10,995,005.70x = 16,495,964.55 × 5,315,415.30
4. Step 4: Simplify right side
   10,995,005.70x = 87,682,902,357,327.61
5. Step 5: Solve for x
   x = 87,682,902,357,327.61/10,995,005.70
6. Step 6: Final answer
   x = 7,974,793.72