Finding the Fourth Proportional to 158,155.34, 236,970.55 and 111,309.80

Step by Step Solution

1. Step 1: Write the proportion equation
   158,155.34 : 236,970.55 = 111,309.80 : x
2. Step 2: Convert to fraction form
   158,155.34/236,970.55 = 111,309.80/x
3. Step 3: Cross multiply
   158,155.34x = 236,970.55 × 111,309.80
4. Step 4: Simplify right side
   158,155.34x = 26,377,144,526.39
5. Step 5: Solve for x
   x = 26,377,144,526.39/158,155.34
6. Step 6: Final answer
   x = 166,779.98