Finding the Fourth Proportional to 80,660,171.50, 120,990,072.72 and 34,572,156.37

Step by Step Solution

1. Step 1: Write the proportion equation
   80,660,171.50 : 120,990,072.72 = 34,572,156.37 : x
2. Step 2: Convert to fraction form
   80,660,171.50/120,990,072.72 = 34,572,156.37/x
3. Step 3: Cross multiply
   80,660,171.50x = 120,990,072.72 × 34,572,156.37
4. Step 4: Simplify right side
   80,660,171.50x = 4,182,887,713,293,511
5. Step 5: Solve for x
   x = 4,182,887,713,293,511/80,660,171.50
6. Step 6: Final answer
   x = 51,858,155.46