Finding the Fourth Proportional to 76,123.14, 105,050.10 and 42,133.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,123.14 : 105,050.10 = 42,133.94 : x
2. Step 2: Convert to fraction form
   76,123.14/105,050.10 = 42,133.94/x
3. Step 3: Cross multiply
   76,123.14x = 105,050.10 × 42,133.94
4. Step 4: Simplify right side
   76,123.14x = 4,426,174,610.39
5. Step 5: Solve for x
   x = 4,426,174,610.39/76,123.14
6. Step 6: Final answer
   x = 58,144.93