Finding the Fourth Proportional to 260,739.88, 359,840.72 and 146,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   260,739.88 : 359,840.72 = 146,012.72 : x
2. Step 2: Convert to fraction form
   260,739.88/359,840.72 = 146,012.72/x
3. Step 3: Cross multiply
   260,739.88x = 359,840.72 × 146,012.72
4. Step 4: Simplify right side
   260,739.88x = 52,541,322,293.96
5. Step 5: Solve for x
   x = 52,541,322,293.96/260,739.88
6. Step 6: Final answer
   x = 201,508.58