Finding the Fourth Proportional to 46,667.76, 69,704.18 and 42,218.61

Step by Step Solution

1. Step 1: Write the proportion equation
   46,667.76 : 69,704.18 = 42,218.61 : x
2. Step 2: Convert to fraction form
   46,667.76/69,704.18 = 42,218.61/x
3. Step 3: Cross multiply
   46,667.76x = 69,704.18 × 42,218.61
4. Step 4: Simplify right side
   46,667.76x = 2,942,813,379.70
5. Step 5: Solve for x
   x = 2,942,813,379.70/46,667.76
6. Step 6: Final answer
   x = 63,058.81