Finding the Fourth Proportional to 502,667.82, 753,841.74 and 165,645.60

Step by Step Solution

1. Step 1: Write the proportion equation
   502,667.82 : 753,841.74 = 165,645.60 : x
2. Step 2: Convert to fraction form
   502,667.82/753,841.74 = 165,645.60/x
3. Step 3: Cross multiply
   502,667.82x = 753,841.74 × 165,645.60
4. Step 4: Simplify right side
   502,667.82x = 124,870,567,327.34
5. Step 5: Solve for x
   x = 124,870,567,327.34/502,667.82
6. Step 6: Final answer
   x = 248,415.68