Finding the Fourth Proportional to 140,417.37, 210,709.28 and 51,733.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,417.37 : 210,709.28 = 51,733.10 : x
2. Step 2: Convert to fraction form
   140,417.37/210,709.28 = 51,733.10/x
3. Step 3: Cross multiply
   140,417.37x = 210,709.28 × 51,733.10
4. Step 4: Simplify right side
   140,417.37x = 10,900,644,909.27
5. Step 5: Solve for x
   x = 10,900,644,909.27/140,417.37
6. Step 6: Final answer
   x = 77,630.32