Finding the Fourth Proportional to 89,629.83, 123,574.30 and 73,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,629.83 : 123,574.30 = 73,437.50 : x
2. Step 2: Convert to fraction form
   89,629.83/123,574.30 = 73,437.50/x
3. Step 3: Cross multiply
   89,629.83x = 123,574.30 × 73,437.50
4. Step 4: Simplify right side
   89,629.83x = 9,074,987,781.59
5. Step 5: Solve for x
   x = 9,074,987,781.59/89,629.83
6. Step 6: Final answer
   x = 101,249.64