Finding the Fourth Proportional to 72,582.48, 100,195.56 and 42,356.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,582.48 : 100,195.56 = 42,356.31 : x
2. Step 2: Convert to fraction form
   72,582.48/100,195.56 = 42,356.31/x
3. Step 3: Cross multiply
   72,582.48x = 100,195.56 × 42,356.31
4. Step 4: Simplify right side
   72,582.48x = 4,243,914,199.98
5. Step 5: Solve for x
   x = 4,243,914,199.98/72,582.48
6. Step 6: Final answer
   x = 58,470.23