Finding the Fourth Proportional to 76,667.06, 105,800.52 and 42,674.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,667.06 : 105,800.52 = 42,674.82 : x
2. Step 2: Convert to fraction form
   76,667.06/105,800.52 = 42,674.82/x
3. Step 3: Cross multiply
   76,667.06x = 105,800.52 × 42,674.82
4. Step 4: Simplify right side
   76,667.06x = 4,515,018,146.91
5. Step 5: Solve for x
   x = 4,515,018,146.91/76,667.06
6. Step 6: Final answer
   x = 58,891.24