Finding the Fourth Proportional to 76,141.87, 105,074.22 and 42,150.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,141.87 : 105,074.22 = 42,150.36 : x
2. Step 2: Convert to fraction form
   76,141.87/105,074.22 = 42,150.36/x
3. Step 3: Cross multiply
   76,141.87x = 105,074.22 × 42,150.36
4. Step 4: Simplify right side
   76,141.87x = 4,428,916,199.72
5. Step 5: Solve for x
   x = 4,428,916,199.72/76,141.87
6. Step 6: Final answer
   x = 58,166.63