Finding the Fourth Proportional to 108,098.98, 149,133.69 and 72,232.18

Step by Step Solution

1. Step 1: Write the proportion equation
   108,098.98 : 149,133.69 = 72,232.18 : x
2. Step 2: Convert to fraction form
   108,098.98/149,133.69 = 72,232.18/x
3. Step 3: Cross multiply
   108,098.98x = 149,133.69 × 72,232.18
4. Step 4: Simplify right side
   108,098.98x = 10,772,251,167.31
5. Step 5: Solve for x
   x = 10,772,251,167.31/108,098.98
6. Step 6: Final answer
   x = 99,651.74