Finding the Fourth Proportional to 52,979.06, 73,078.71 and 31,454.21

Step by Step Solution

1. Step 1: Write the proportion equation
   52,979.06 : 73,078.71 = 31,454.21 : x
2. Step 2: Convert to fraction form
   52,979.06/73,078.71 = 31,454.21/x
3. Step 3: Cross multiply
   52,979.06x = 73,078.71 × 31,454.21
4. Step 4: Simplify right side
   52,979.06x = 2,298,633,090.87
5. Step 5: Solve for x
   x = 2,298,633,090.87/52,979.06
6. Step 6: Final answer
   x = 43,387.58