Finding the Fourth Proportional to 76,562.07, 105,662.12 and 42,573.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,562.07 : 105,662.12 = 42,573.03 : x
2. Step 2: Convert to fraction form
   76,562.07/105,662.12 = 42,573.03/x
3. Step 3: Cross multiply
   76,562.07x = 105,662.12 × 42,573.03
4. Step 4: Simplify right side
   76,562.07x = 4,498,356,391.76
5. Step 5: Solve for x
   x = 4,498,356,391.76/76,562.07
6. Step 6: Final answer
   x = 58,754.37