Finding the Fourth Proportional to 72,419.82, 99,834.63 and 50,843.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,419.82 : 99,834.63 = 50,843.88 : x
2. Step 2: Convert to fraction form
   72,419.82/99,834.63 = 50,843.88/x
3. Step 3: Cross multiply
   72,419.82x = 99,834.63 × 50,843.88
4. Step 4: Simplify right side
   72,419.82x = 5,075,979,947.56
5. Step 5: Solve for x
   x = 5,075,979,947.56/72,419.82
6. Step 6: Final answer
   x = 70,091.03