Finding the Fourth Proportional to 258,481.56, 356,712.82 and 156,526.04

Step by Step Solution

1. Step 1: Write the proportion equation
   258,481.56 : 356,712.82 = 156,526.04 : x
2. Step 2: Convert to fraction form
   258,481.56/356,712.82 = 156,526.04/x
3. Step 3: Cross multiply
   258,481.56x = 356,712.82 × 156,526.04
4. Step 4: Simplify right side
   258,481.56x = 55,834,845,131.83
5. Step 5: Solve for x
   x = 55,834,845,131.83/258,481.56
6. Step 6: Final answer
   x = 216,010.94