Finding the Fourth Proportional to 105,499,716.84, 158,165,046.90 and 50,139,748.44

Step by Step Solution

1. Step 1: Write the proportion equation
   105,499,716.84 : 158,165,046.90 = 50,139,748.44 : x
2. Step 2: Convert to fraction form
   105,499,716.84/158,165,046.90 = 50,139,748.44/x
3. Step 3: Cross multiply
   105,499,716.84x = 158,165,046.90 × 50,139,748.44
4. Step 4: Simplify right side
   105,499,716.84x = 7,930,355,663,566,802
5. Step 5: Solve for x
   x = 7,930,355,663,566,802/105,499,716.84
6. Step 6: Final answer
   x = 75,169,449.75