Finding the Fourth Proportional to 111,651.84, 167,619.96 and 72,373.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,651.84 : 167,619.96 = 72,373.32 : x
2. Step 2: Convert to fraction form
   111,651.84/167,619.96 = 72,373.32/x
3. Step 3: Cross multiply
   111,651.84x = 167,619.96 × 72,373.32
4. Step 4: Simplify right side
   111,651.84x = 12,131,213,003.47
5. Step 5: Solve for x
   x = 12,131,213,003.47/111,651.84
6. Step 6: Final answer
   x = 108,652.15