Finding the Fourth Proportional to 143,018.71, 214,559.96 and 46,960.20

Step by Step Solution

1. Step 1: Write the proportion equation
   143,018.71 : 214,559.96 = 46,960.20 : x
2. Step 2: Convert to fraction form
   143,018.71/214,559.96 = 46,960.20/x
3. Step 3: Cross multiply
   143,018.71x = 214,559.96 × 46,960.20
4. Step 4: Simplify right side
   143,018.71x = 10,075,778,633.59
5. Step 5: Solve for x
   x = 10,075,778,633.59/143,018.71
6. Step 6: Final answer
   x = 70,450.77