Finding the Fourth Proportional to 158,559.83, 218,807.82 and 86,937.41

Step by Step Solution

1. Step 1: Write the proportion equation
   158,559.83 : 218,807.82 = 86,937.41 : x
2. Step 2: Convert to fraction form
   158,559.83/218,807.82 = 86,937.41/x
3. Step 3: Cross multiply
   158,559.83x = 218,807.82 × 86,937.41
4. Step 4: Simplify right side
   158,559.83x = 19,022,584,064.51
5. Step 5: Solve for x
   x = 19,022,584,064.51/158,559.83
6. Step 6: Final answer
   x = 119,971.02