Finding the Fourth Proportional to 143,320.98, 214,980.78 and 36,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,320.98 : 214,980.78 = 36,704.72 : x
2. Step 2: Convert to fraction form
   143,320.98/214,980.78 = 36,704.72/x
3. Step 3: Cross multiply
   143,320.98x = 214,980.78 × 36,704.72
4. Step 4: Simplify right side
   143,320.98x = 7,890,809,335.28
5. Step 5: Solve for x
   x = 7,890,809,335.28/143,320.98
6. Step 6: Final answer
   x = 55,056.90