Finding the Fourth Proportional to 76,933.38, 106,167.67 and 42,939.91

Step by Step Solution

1. Step 1: Write the proportion equation
   76,933.38 : 106,167.67 = 42,939.91 : x
2. Step 2: Convert to fraction form
   76,933.38/106,167.67 = 42,939.91/x
3. Step 3: Cross multiply
   76,933.38x = 106,167.67 × 42,939.91
4. Step 4: Simplify right side
   76,933.38x = 4,558,830,194.71
5. Step 5: Solve for x
   x = 4,558,830,194.71/76,933.38
6. Step 6: Final answer
   x = 59,256.86