Finding the Fourth Proportional to 76,175.86, 105,122.46 and 42,187.06

Step by Step Solution

1. Step 1: Write the proportion equation
   76,175.86 : 105,122.46 = 42,187.06 : x
2. Step 2: Convert to fraction form
   76,175.86/105,122.46 = 42,187.06/x
3. Step 3: Cross multiply
   76,175.86x = 105,122.46 × 42,187.06
4. Step 4: Simplify right side
   76,175.86x = 4,434,807,527.37
5. Step 5: Solve for x
   x = 4,434,807,527.37/76,175.86
6. Step 6: Final answer
   x = 58,218.02