Finding the Fourth Proportional to 76,160.15, 105,093.71 and 42,167.39

Step by Step Solution

1. Step 1: Write the proportion equation
   76,160.15 : 105,093.71 = 42,167.39 : x
2. Step 2: Convert to fraction form
   76,160.15/105,093.71 = 42,167.39/x
3. Step 3: Cross multiply
   76,160.15x = 105,093.71 × 42,167.39
4. Step 4: Simplify right side
   76,160.15x = 4,431,527,718.85
5. Step 5: Solve for x
   x = 4,431,527,718.85/76,160.15
6. Step 6: Final answer
   x = 58,186.96