Finding the Fourth Proportional to 79,082,132.40, 118,641,085.83 and 42,689,741.67

Step by Step Solution

1. Step 1: Write the proportion equation
   79,082,132.40 : 118,641,085.83 = 42,689,741.67 : x
2. Step 2: Convert to fraction form
   79,082,132.40/118,641,085.83 = 42,689,741.67/x
3. Step 3: Cross multiply
   79,082,132.40x = 118,641,085.83 × 42,689,741.67
4. Step 4: Simplify right side
   79,082,132.40x = 5,064,757,305,530,998
5. Step 5: Solve for x
   x = 5,064,757,305,530,998/79,082,132.40
6. Step 6: Final answer
   x = 64,044,268.30