Finding the Fourth Proportional to 108,500.84, 149,631.27 and 74,449.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,500.84 : 149,631.27 = 74,449.25 : x
2. Step 2: Convert to fraction form
   108,500.84/149,631.27 = 74,449.25/x
3. Step 3: Cross multiply
   108,500.84x = 149,631.27 × 74,449.25
4. Step 4: Simplify right side
   108,500.84x = 11,139,935,079.89
5. Step 5: Solve for x
   x = 11,139,935,079.89/108,500.84
6. Step 6: Final answer
   x = 102,671.42