Finding the Fourth Proportional to 260,196.53, 359,051.36 and 158,207.81

Step by Step Solution

1. Step 1: Write the proportion equation
   260,196.53 : 359,051.36 = 158,207.81 : x
2. Step 2: Convert to fraction form
   260,196.53/359,051.36 = 158,207.81/x
3. Step 3: Cross multiply
   260,196.53x = 359,051.36 × 158,207.81
4. Step 4: Simplify right side
   260,196.53x = 56,804,726,756.83
5. Step 5: Solve for x
   x = 56,804,726,756.83/260,196.53
6. Step 6: Final answer
   x = 218,314.70