Finding the Fourth Proportional to 108,086.04, 149,115.87 and 72,219.24

Step by Step Solution

1. Step 1: Write the proportion equation
   108,086.04 : 149,115.87 = 72,219.24 : x
2. Step 2: Convert to fraction form
   108,086.04/149,115.87 = 72,219.24/x
3. Step 3: Cross multiply
   108,086.04x = 149,115.87 × 72,219.24
4. Step 4: Simplify right side
   108,086.04x = 10,769,034,803.34
5. Step 5: Solve for x
   x = 10,769,034,803.34/108,086.04
6. Step 6: Final answer
   x = 99,633.91