Finding the Fourth Proportional to 73,513.32, 101,448.42 and 39,979.24

Step by Step Solution

1. Step 1: Write the proportion equation
   73,513.32 : 101,448.42 = 39,979.24 : x
2. Step 2: Convert to fraction form
   73,513.32/101,448.42 = 39,979.24/x
3. Step 3: Cross multiply
   73,513.32x = 101,448.42 × 39,979.24
4. Step 4: Simplify right side
   73,513.32x = 4,055,830,730.80
5. Step 5: Solve for x
   x = 4,055,830,730.80/73,513.32
6. Step 6: Final answer
   x = 55,171.37