Finding the Fourth Proportional to 76,667.87, 105,801.63 and 42,675.62

Step by Step Solution

1. Step 1: Write the proportion equation
   76,667.87 : 105,801.63 = 42,675.62 : x
2. Step 2: Convert to fraction form
   76,667.87/105,801.63 = 42,675.62/x
3. Step 3: Cross multiply
   76,667.87x = 105,801.63 × 42,675.62
4. Step 4: Simplify right side
   76,667.87x = 4,515,149,628.25
5. Step 5: Solve for x
   x = 4,515,149,628.25/76,667.87
6. Step 6: Final answer
   x = 58,892.34