Finding the Fourth Proportional to 165,398.82, 248,068.59 and 43,820.17

Step by Step Solution

1. Step 1: Write the proportion equation
   165,398.82 : 248,068.59 = 43,820.17 : x
2. Step 2: Convert to fraction form
   165,398.82/248,068.59 = 43,820.17/x
3. Step 3: Cross multiply
   165,398.82x = 248,068.59 × 43,820.17
4. Step 4: Simplify right side
   165,398.82x = 10,870,407,785.46
5. Step 5: Solve for x
   x = 10,870,407,785.46/165,398.82
6. Step 6: Final answer
   x = 65,722.40