Finding the Fourth Proportional to 10,690,882.56, 16,038,682.88 and 3,118,440.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,690,882.56 : 16,038,682.88 = 3,118,440.96 : x
2. Step 2: Convert to fraction form
   10,690,882.56/16,038,682.88 = 3,118,440.96/x
3. Step 3: Cross multiply
   10,690,882.56x = 16,038,682.88 × 3,118,440.96
4. Step 4: Simplify right side
   10,690,882.56x = 50,015,685,637,442.77
5. Step 5: Solve for x
   x = 50,015,685,637,442.77/10,690,882.56
6. Step 6: Final answer
   x = 4,678,349.55