Finding the Fourth Proportional to 73,987.16, 111,009.90 and 32,405

Step by Step Solution

1. Step 1: Write the proportion equation
   73,987.16 : 111,009.90 = 32,405 : x
2. Step 2: Convert to fraction form
   73,987.16/111,009.90 = 32,405/x
3. Step 3: Cross multiply
   73,987.16x = 111,009.90 × 32,405
4. Step 4: Simplify right side
   73,987.16x = 3,597,275,809.50
5. Step 5: Solve for x
   x = 3,597,275,809.50/73,987.16
6. Step 6: Final answer
   x = 48,620.27