Finding the Fourth Proportional to 140,327.73, 210,649.35 and 56,147.30

Step by Step Solution

1. Step 1: Write the proportion equation
   140,327.73 : 210,649.35 = 56,147.30 : x
2. Step 2: Convert to fraction form
   140,327.73/210,649.35 = 56,147.30/x
3. Step 3: Cross multiply
   140,327.73x = 210,649.35 × 56,147.30
4. Step 4: Simplify right side
   140,327.73x = 11,827,391,196.01
5. Step 5: Solve for x
   x = 11,827,391,196.01/140,327.73
6. Step 6: Final answer
   x = 84,284.06