Finding the Fourth Proportional to 143,368.72, 214,918.71 and 48,532.57

Step by Step Solution

1. Step 1: Write the proportion equation
   143,368.72 : 214,918.71 = 48,532.57 : x
2. Step 2: Convert to fraction form
   143,368.72/214,918.71 = 48,532.57/x
3. Step 3: Cross multiply
   143,368.72x = 214,918.71 × 48,532.57
4. Step 4: Simplify right side
   143,368.72x = 10,430,557,337.38
5. Step 5: Solve for x
   x = 10,430,557,337.38/143,368.72
6. Step 6: Final answer
   x = 72,753.37