Finding the Fourth Proportional to 76,114.06, 105,034.82 and 42,124

Step by Step Solution

1. Step 1: Write the proportion equation
   76,114.06 : 105,034.82 = 42,124 : x
2. Step 2: Convert to fraction form
   76,114.06/105,034.82 = 42,124/x
3. Step 3: Cross multiply
   76,114.06x = 105,034.82 × 42,124
4. Step 4: Simplify right side
   76,114.06x = 4,424,486,757.68
5. Step 5: Solve for x
   x = 4,424,486,757.68/76,114.06
6. Step 6: Final answer
   x = 58,129.69