Finding the Fourth Proportional to 76,582.44, 105,670.89 and 42,586.47

Step by Step Solution

1. Step 1: Write the proportion equation
   76,582.44 : 105,670.89 = 42,586.47 : x
2. Step 2: Convert to fraction form
   76,582.44/105,670.89 = 42,586.47/x
3. Step 3: Cross multiply
   76,582.44x = 105,670.89 × 42,586.47
4. Step 4: Simplify right side
   76,582.44x = 4,500,150,186.86
5. Step 5: Solve for x
   x = 4,500,150,186.86/76,582.44
6. Step 6: Final answer
   x = 58,762.17