Finding the Fourth Proportional to 76,151.16, 105,088.74 and 42,162

Step by Step Solution

1. Step 1: Write the proportion equation
   76,151.16 : 105,088.74 = 42,162 : x
2. Step 2: Convert to fraction form
   76,151.16/105,088.74 = 42,162/x
3. Step 3: Cross multiply
   76,151.16x = 105,088.74 × 42,162
4. Step 4: Simplify right side
   76,151.16x = 4,430,751,455.88
5. Step 5: Solve for x
   x = 4,430,751,455.88/76,151.16
6. Step 6: Final answer
   x = 58,183.64