Finding the Fourth Proportional to 140,672.34, 210,944.69 and 60,672.51

Step by Step Solution

1. Step 1: Write the proportion equation
   140,672.34 : 210,944.69 = 60,672.51 : x
2. Step 2: Convert to fraction form
   140,672.34/210,944.69 = 60,672.51/x
3. Step 3: Cross multiply
   140,672.34x = 210,944.69 × 60,672.51
4. Step 4: Simplify right side
   140,672.34x = 12,798,543,103.67
5. Step 5: Solve for x
   x = 12,798,543,103.67/140,672.34
6. Step 6: Final answer
   x = 90,981.23