Finding the Fourth Proportional to 140,452.10, 210,699.15 and 51,698.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,452.10 : 210,699.15 = 51,698.84 : x
2. Step 2: Convert to fraction form
   140,452.10/210,699.15 = 51,698.84/x
3. Step 3: Cross multiply
   140,452.10x = 210,699.15 × 51,698.84
4. Step 4: Simplify right side
   140,452.10x = 10,892,900,590.49
5. Step 5: Solve for x
   x = 10,892,900,590.49/140,452.10
6. Step 6: Final answer
   x = 77,555.99