Finding the Fourth Proportional to 165,372.50, 248,081.94 and 53,026.31

Step by Step Solution

1. Step 1: Write the proportion equation
   165,372.50 : 248,081.94 = 53,026.31 : x
2. Step 2: Convert to fraction form
   165,372.50/248,081.94 = 53,026.31/x
3. Step 3: Cross multiply
   165,372.50x = 248,081.94 × 53,026.31
4. Step 4: Simplify right side
   165,372.50x = 13,154,870,476.05
5. Step 5: Solve for x
   x = 13,154,870,476.05/165,372.50
6. Step 6: Final answer
   x = 79,546.90