Finding the Fourth Proportional to 108,141.04, 149,337.30 and 102,250.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,141.04 : 149,337.30 = 102,250.72 : x
2. Step 2: Convert to fraction form
   108,141.04/149,337.30 = 102,250.72/x
3. Step 3: Cross multiply
   108,141.04x = 149,337.30 × 102,250.72
4. Step 4: Simplify right side
   108,141.04x = 15,269,846,447.86
5. Step 5: Solve for x
   x = 15,269,846,447.86/108,141.04
6. Step 6: Final answer
   x = 141,203.07