Finding the Fourth Proportional to 73,919.39, 101,983.46 and 42,080.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,919.39 : 101,983.46 = 42,080.31 : x
2. Step 2: Convert to fraction form
   73,919.39/101,983.46 = 42,080.31/x
3. Step 3: Cross multiply
   73,919.39x = 101,983.46 × 42,080.31
4. Step 4: Simplify right side
   73,919.39x = 4,291,495,401.27
5. Step 5: Solve for x
   x = 4,291,495,401.27/73,919.39
6. Step 6: Final answer
   x = 58,056.43