Finding the Fourth Proportional to 120,272,399.91, 165,890,168.78 and 110,381,164.83

Step by Step Solution

1. Step 1: Write the proportion equation
   120,272,399.91 : 165,890,168.78 = 110,381,164.83 : x
2. Step 2: Convert to fraction form
   120,272,399.91/165,890,168.78 = 110,381,164.83/x
3. Step 3: Cross multiply
   120,272,399.91x = 165,890,168.78 × 110,381,164.83
4. Step 4: Simplify right side
   120,272,399.91x = 18,311,150,063,229,796
5. Step 5: Solve for x
   x = 18,311,150,063,229,796/120,272,399.91
6. Step 6: Final answer
   x = 152,247,315.90