Finding the Fourth Proportional to 79,793,155.26, 119,724,297.40 and 42,861,952.61

Step by Step Solution

1. Step 1: Write the proportion equation
   79,793,155.26 : 119,724,297.40 = 42,861,952.61 : x
2. Step 2: Convert to fraction form
   79,793,155.26/119,724,297.40 = 42,861,952.61/x
3. Step 3: Cross multiply
   79,793,155.26x = 119,724,297.40 × 42,861,952.61
4. Step 4: Simplify right side
   79,793,155.26x = 5,131,617,161,086,956
5. Step 5: Solve for x
   x = 5,131,617,161,086,956/79,793,155.26
6. Step 6: Final answer
   x = 64,311,495.70