Finding the Fourth Proportional to 143,002.38, 214,371.16 and 52,994.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,002.38 : 214,371.16 = 52,994.98 : x
2. Step 2: Convert to fraction form
   143,002.38/214,371.16 = 52,994.98/x
3. Step 3: Cross multiply
   143,002.38x = 214,371.16 × 52,994.98
4. Step 4: Simplify right side
   143,002.38x = 11,360,595,336.78
5. Step 5: Solve for x
   x = 11,360,595,336.78/143,002.38
6. Step 6: Final answer
   x = 79,443.40