Finding the Fourth Proportional to 175,669.08, 262,890.72 and 143,709.72

Step by Step Solution

1. Step 1: Write the proportion equation
   175,669.08 : 262,890.72 = 143,709.72 : x
2. Step 2: Convert to fraction form
   175,669.08/262,890.72 = 143,709.72/x
3. Step 3: Cross multiply
   175,669.08x = 262,890.72 × 143,709.72
4. Step 4: Simplify right side
   175,669.08x = 37,779,951,761.80
5. Step 5: Solve for x
   x = 37,779,951,761.80/175,669.08
6. Step 6: Final answer
   x = 215,063.18