Finding the Fourth Proportional to 343,761.83, 515,656.71 and 163,754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   343,761.83 : 515,656.71 = 163,754.72 : x
2. Step 2: Convert to fraction form
   343,761.83/515,656.71 = 163,754.72/x
3. Step 3: Cross multiply
   343,761.83x = 515,656.71 × 163,754.72
4. Step 4: Simplify right side
   343,761.83x = 84,441,217,583.89
5. Step 5: Solve for x
   x = 84,441,217,583.89/343,761.83
6. Step 6: Final answer
   x = 245,638.73