Finding the Fourth Proportional to 260,651.31, 359,591.90 and 158,594.96

Step by Step Solution

1. Step 1: Write the proportion equation
   260,651.31 : 359,591.90 = 158,594.96 : x
2. Step 2: Convert to fraction form
   260,651.31/359,591.90 = 158,594.96/x
3. Step 3: Cross multiply
   260,651.31x = 359,591.90 × 158,594.96
4. Step 4: Simplify right side
   260,651.31x = 57,029,460,405.89
5. Step 5: Solve for x
   x = 57,029,460,405.89/260,651.31
6. Step 6: Final answer
   x = 218,795.99