Finding the Fourth Proportional to 140,499.72, 210,651.01 and 51,741.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,499.72 : 210,651.01 = 51,741.84 : x
2. Step 2: Convert to fraction form
   140,499.72/210,651.01 = 51,741.84/x
3. Step 3: Cross multiply
   140,499.72x = 210,651.01 × 51,741.84
4. Step 4: Simplify right side
   140,499.72x = 10,899,470,725.90
5. Step 5: Solve for x
   x = 10,899,470,725.90/140,499.72
6. Step 6: Final answer
   x = 77,576.46